Joyful Quiz Ikatan Kimia

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Quizzes Created: 1 | Total Attempts: 2,241
Questions: 20 | Attempts: 2,241

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Joyful Quiz Ikatan Kimia - Quiz

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Questions and Answers
  • 1. 

    Susunan elektron valensi gas mulia di bawah ini adalah oktet, kecuali.....

    • A.

      Xe

    • B.

      Kr

    • C.

      Ar

    • D.

      Ne

    • E.

      He

    Correct Answer
    E. He
    Explanation
    The given question is asking for the exception among the noble gases with a valence electron octet. The noble gases, including Xe, Kr, Ar, Ne, and He, all have a complete octet of valence electrons, except for He. Helium only has two valence electrons, which is not a complete octet. Therefore, He is the exception among the given noble gases.

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  • 2. 

    Jenis ikatan yang terdapat pada senyawa amoniak adalah....

    • A.

      Ikatan ion

    • B.

      Ikatan kovalen

    • C.

      Ikatan heteropolar

    • D.

      Ikatan logam

    • E.

      Ikatan kovalen koordinasi

    Correct Answer
    B. Ikatan kovalen
    Explanation
    The correct answer is "ikatan kovalen" because ammonia (NH3) is a covalent compound. In a covalent bond, atoms share electrons to form a stable molecule. In the case of ammonia, the nitrogen atom shares its three valence electrons with three hydrogen atoms, resulting in a stable molecule.

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  • 3. 

    Atom dengan konfigurasi elektron: 2, 8, 8, 2, jika akan mengikat atom lain untuk membentuk senyawa, maka langkah terbaik dengan...

    • A.

      Pelepasan 1 elektron, sehingga bermuatan 1+

    • B.

      Pelepasan 2 elektron, sehingga bermuatan 2+

    • C.

      Penangkapan 1 elektron, sehingga bermuatan 1-

    • D.

      Penangkapan 2 elektron, sehingga bermuatan 2-

    • E.

      Memasangkan 2 elektron dengan 2 elektron lainnya

    Correct Answer
    B. Pelepasan 2 elektron, sehingga bermuatan 2+
    Explanation
    The atom with the given electron configuration has a total of 20 electrons. To form a compound, it needs to either gain or lose electrons to achieve a stable configuration. Since the atom is in the fourth period of the periodic table, it is easier for it to lose electrons than to gain them. By releasing 2 electrons, the atom will achieve a stable configuration similar to the noble gas neon (2, 8, 8). This will result in a 2+ charge on the atom, making it more likely to form a compound with other atoms by donating its electrons.

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  • 4. 

    Suatu atom dengan konfigurasi elektron: 2, 6. Kecenderungan atom tersebut bila akan berikatan dengan atom lain adalah....

    • A.

      Pelepasan 2 elektron, sehingga bermuatan 2+

    • B.

      Pelepasan 4 elektron, sehingga bermuatan 4+

    • C.

      Penyerapan 2 elektron, sehingga bermuatan 2-

    • D.

      Penyerapan 4 elektron, sehingga bermuatan 4-

    • E.

      Memasangkan 6 elektron

    Correct Answer
    C. Penyerapan 2 elektron, sehingga bermuatan 2-
    Explanation
    The atom with an electron configuration of 2, 6 has two electrons in its outermost energy level. This indicates that the atom tends to gain two more electrons in order to achieve a stable octet configuration, resulting in a net negative charge of 2-. Therefore, the correct answer is "penyerapan 2 elektron, sehingga bermuatan 2-".

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  • 5. 

    Atom yang memiliki nomor atom 12 mempunyai ciri....

    • A.

      Elektron valensi 4

    • B.

      Cenderung melepas 4 elektron

    • C.

      Terdapat 2 elektron pada kulit terluar

    • D.

      Cenderung menangkap 4 elektron

    • E.

      Cenderung memasangkan 4 elektron

    Correct Answer
    C. Terdapat 2 elektron pada kulit terluar
    Explanation
    The correct answer is "terdapat 2 elektron pada kulit terluar." This is because an atom with an atomic number of 12 belongs to the element magnesium, which has an electron configuration of 2, 8, 2. This means that there are 2 electrons in the outermost energy level or valence shell.

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  • 6. 

    Unsur-unsur berikut membentuk ion positif, kecuali....

    • A.

      Na, Z= 11

    • B.

      K, Z= 19

    • C.

      Ca, Z= 20

    • D.

      Br, Z= 35

    • E.

      Rb, Z= 37

    Correct Answer
    D. Br, Z= 35
    Explanation
    The given elements Na, K, Ca, and Rb all have fewer electrons in their outermost shell compared to their neutral state, making it easier for them to lose electrons and form positive ions. However, Br has more electrons in its outermost shell compared to its neutral state, making it more likely to gain electrons and form a negative ion rather than a positive ion.

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  • 7. 

    Di antara unsur-unsur golongan IVA yang memiliki sifat istimewa karena dapat membentuk rantai ikatan adalah unsur...

    • A.

      Silikon

    • B.

      Arsen

    • C.

      Karbon

    • D.

      Antimon

    • E.

      Bismut

    Correct Answer
    C. Karbon
    Explanation
    Karbon memiliki sifat istimewa karena dapat membentuk rantai ikatan yang panjang dan kompleks. Ini disebabkan oleh kemampuan karbon untuk membentuk ikatan kovalen dengan atom karbon lainnya, membentuk struktur rantai atau cincin. Sifat ini memungkinkan karbon untuk membentuk berbagai senyawa organik yang kompleks dan beragam, termasuk senyawa hidrokarbon dan senyawa karbon lainnya yang penting dalam kehidupan dan industri.

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  • 8. 

    Atom yang cenderung bermuatan positif mempunyai...

    • A.

      Energi ionisasi kecil

    • B.

      Afinitas elektron besar

    • C.

      Keelektronegatifan besar

    • D.

      Energi ionisasi besar

    • E.

      Keelektronegatifan sedang

    Correct Answer
    A. Energi ionisasi kecil
    Explanation
    Atoms that tend to be positively charged have a small ionization energy. Ionization energy refers to the amount of energy required to remove an electron from an atom. If an atom has a small ionization energy, it means that it is relatively easy to remove an electron from that atom, resulting in a positive charge. Therefore, atoms that are positively charged tend to have a small ionization energy.

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  • 9. 

    Unsur berikut ini yang cenderung menangkap elektron adalah...

    • A.

      S, Z=16

    • B.

      Mg, Z= 12

    • C.

      Al, Z= 13

    • D.

      Na, Z= 11

    • E.

      Ar, Z= 18

    Correct Answer
    A. S, Z=16
    Explanation
    The element with the highest atomic number (Z) tends to have a stronger attraction for electrons. In this case, Sulfur (S) has the highest atomic number among the given elements, with Z=16. Therefore, Sulfur is the element that is more likely to capture electrons.

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  • 10. 

    Beberapa unsur dengan konfigurasi elektron sebagai berikut: P : 2 8 7 Q : 2 8 8 1 R : 2 8 18 2 S : 2 8 8 T : 2 8 18 4 Unsur yang paling stabil (paling sukar membentuk ikatan kimia) adalah....

    • A.

      P

    • B.

      Q

    • C.

      R

    • D.

      S

    • E.

      T

    Correct Answer
    D. S
    Explanation
    Unsur yang paling stabil (paling sukar membentuk ikatan kimia) adalah S. Hal ini dikarenakan unsur S memiliki konfigurasi elektron yang hampir mirip dengan konfigurasi elektron gas mulia (He). Unsur dengan konfigurasi elektron yang mirip dengan gas mulia cenderung memiliki kestabilan yang tinggi dan sulit membentuk ikatan kimia dengan unsur lain.

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  • 11. 

    Unsur X dengan konfigurasi elektron : 2 8 1 dapat membentuk ikatan ion dengan unsur yang konfigurasi elektronnya....

    • A.

      2 8 2

    • B.

      2 8 3

    • C.

      2 8 5

    • D.

      2 8 8

    • E.

      2 8 8 1

    Correct Answer
    C. 2 8 5
    Explanation
    The correct answer is 2 8 5. The element with electron configuration 2 8 1 can form an ion bond with an element that has an electron configuration of 2 8 5. This is because the element with 2 8 1 configuration has 1 valence electron, and it tends to lose this electron to achieve a stable electron configuration similar to the nearest noble gas, which has 8 valence electrons. The element with 2 8 5 configuration has 5 valence electrons, making it capable of accepting the extra electron from the element with 2 8 1 configuration to form a stable ion bond.

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  • 12. 

    Diketahui nomor atom beberapa unsur sebagai berikut: A = 3; B = 4; C = 11; D = 12; E = 9; F = 17 .Ikatan paling ionik dapat terbentuk antara...

    • A.

      C dengan E

    • B.

      C dengan F

    • C.

      B dengan F

    • D.

      A dengan E

    • E.

      A dengan F

    Correct Answer
    E. A dengan F
    Explanation
    The correct answer is A dengan F. This is because the element with the highest electronegativity (F) will likely gain an electron to achieve a stable octet, while the element with the lowest electronegativity (A) will likely lose an electron to achieve a stable octet. This large difference in electronegativity between A and F indicates a highly ionic bond.

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  • 13. 

    Jumlah elektron yang digunakan bersama dalam molekul gas nitrogen adalah...

    • A.

      2 elektron

    • B.

      3 elektron

    • C.

      5 elektron

    • D.

      6 elektron

    • E.

      4 elektron

    Correct Answer
    B. 3 elektron
    Explanation
    The correct answer is 3 elektron because the nitrogen gas molecule consists of two nitrogen atoms, each with 5 valence electrons. In order to achieve a stable octet configuration, the two nitrogen atoms share three electrons with each other, resulting in a triple bond. Therefore, a total of 3 electrons are shared between the two nitrogen atoms in the nitrogen gas molecule.

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  • 14. 

    Diketahui keelektronegatifan H = 2,1; Cl = 3,5; F = 4,0; Br = 2,8. Senyawa berikut yang paling polar  adalah...

    • A.

      HCl

    • B.

      HF

    • C.

      HBr

    • D.

      ClF

    • E.

      BrF

    Correct Answer
    B. HF
    Explanation
    The compound HF is the most polar because it has the largest difference in electronegativity between the two atoms. Electronegativity is a measure of an atom's ability to attract electrons towards itself in a chemical bond. In HF, fluorine (4.0) has a significantly higher electronegativity than hydrogen (2.1), resulting in a large electronegativity difference. This difference in electronegativity causes the electrons in the bond to be pulled closer to the fluorine atom, creating a polar covalent bond with a partial positive charge on hydrogen and a partial negative charge on fluorine.

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  • 15. 

    Di antara zat berikut, yang mengandung ikatan ion adalah...

    • A.

      Es

    • B.

      Garbondioksida

    • C.

      Garam dapur

    • D.

      Alkohol

    • E.

      Gula

    Correct Answer
    C. Garam dapur
    Explanation
    Garam dapur mengandung ikatan ion karena terbentuk dari atom natrium yang kehilangan satu elektron dan atom klorin yang menerima elektron tersebut. Hal ini menyebabkan terbentuknya ion natrium positif (Na+) dan ion klorin negatif (Cl-), yang saling tertarik dan membentuk ikatan ionik.

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  • 16. 

    Ikatan antara dua atom karena mempunyai pasangan elektron yang digunakan bersama yang berasal dari kedua atom yang berikatan disebut...

    • A.

      Ikatan ion

    • B.

      Ikatan kovalen

    • C.

      Ikatan heteropolar

    • D.

      Ikatan logam

    • E.

      Ikatan kovalen koordinasi

    Correct Answer
    B. Ikatan kovalen
    Explanation
    The correct answer is "ikatan kovalen" because it refers to the type of bond formed between two atoms when they share a pair of electrons. In this type of bond, the electrons are not transferred completely from one atom to another as in an ionic bond, but rather shared between the atoms. This sharing of electrons allows the atoms to achieve a stable electron configuration and form a strong bond.

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  • 17. 

    Di antara senyawa berikut yang memiliki ikatan kovalen rangkap tiga adalah....

    • A.

      Etena

    • B.

      Etuna

    • C.

      Oksigen

    • D.

      Karbondioksida

    • E.

      Karbon tetraklorida

    Correct Answer
    B. Etuna
    Explanation
    The correct answer is "etuna". Etuna refers to a compound that contains a triple covalent bond between two carbon atoms. This type of bond is formed when three pairs of electrons are shared between the two carbon atoms, resulting in a strong and stable bond.

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  • 18. 

    Ikatan yang terbentuk ketika penggunaan bersama pasangan elektron hanya berasal dari salah satu atom yang berikatan, sedangkan atom lain hanya menerima pasangan elektron untuk digunakan bersama adalah....

    • A.

      Ikatan kovalen koordinasi

    • B.

      Ikatan kovalen

    • C.

      Ikatan logam

    • D.

      Ikatan ion

    • E.

      Ikatan heteropolar

    Correct Answer
    A. Ikatan kovalen koordinasi
    Explanation
    The correct answer is ikatan kovalen koordinasi. This type of bond is formed when the shared electron pair in a covalent bond comes from only one atom, while the other atom accepts the electron pair for shared use. In this type of bond, one atom donates a lone pair of electrons to another atom that needs it to complete its octet. This results in the formation of a coordinate covalent bond.

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  • 19. 

    Berdasarkan gambar berikut: Ikatan kovalen koordinasi ditunjukkan oleh nomor....

    • A.

      1

    • B.

      2

    • C.

      3

    • D.

      4

    • E.

      5

    Correct Answer
    B. 2
    Explanation
    The correct answer is 2. Based on the given picture, the bond between the two atoms is shown by the number 2. This suggests that there is a coordination covalent bond between these atoms.

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  • 20. 

    Diketahui data suatu senyawa adalah: (i) berikatan ion (ii) rumus ikatan XY2 (iii) jika dilarutkan dalam air menghantarkan listrik Dari data tersebut, X adalah unsur golongan....

    • A.

      IA

    • B.

      IIA

    • C.

      IIIA

    • D.

      IVA

    • E.

      VA

    Correct Answer
    B. IIA
    Explanation
    Based on the given data, we can conclude that X is an element from Group IIA. This is because the compound is ionic, which means it consists of a metal cation (X) and a non-metal anion (Y). The formula of the compound is XY2, indicating that X has a +2 charge. Additionally, the compound conducts electricity when dissolved in water, which is a characteristic of ionic compounds. Therefore, X belongs to Group IIA, which includes metals that commonly form +2 cations.

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  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 05, 2012
    Quiz Created by
    Andhiart
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