Joyful Quiz Ikatan Kimia
Pilihlah satu jawaban yang paling tepat
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. HeExplanation
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.Rate this question:
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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 kovalenExplanation
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.Rate this question:
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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.Rate this question:
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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-".Rate this question:
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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 terluarExplanation
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.Rate this question:
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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= 35Explanation
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.Rate this question:
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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. KarbonExplanation
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.Rate this question:
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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 kecilExplanation
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.Rate this question:
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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=16Explanation
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.Rate this question:
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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. SExplanation
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.Rate this question:
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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 5Explanation
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.Rate this question:
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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 FExplanation
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.Rate this question:
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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 elektronExplanation
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.Rate this question:
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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. HFExplanation
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.Rate this question:
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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 dapurExplanation
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.Rate this question:
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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 kovalenExplanation
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.Rate this question:
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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. EtunaExplanation
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.Rate this question:
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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 koordinasiExplanation
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.Rate this question:
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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. 2Explanation
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.Rate this question:
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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. IIAExplanation
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.Rate this question:
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Mar 22, 2023Quiz Edited by
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