What are atoms trying to achieve when they bond with other atoms?

To obtain the same electronic configuration as noble gases

To gain the same number of protons as noble gases

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2.

Why are metals soft and malleable?

Because they are cute and adorable
Because they experience electrostatic repulsion
Because of the presence of mobile electrons
The metal cations can slip over each other fairly easily.
None of the above

Correct Answer

A. The metal cations can slip over each other fairly easily.

Explanation

Metals are soft and malleable because the metal cations can slip over each other fairly easily. This is due to the presence of mobile electrons in metals, which allow the cations to move and slide past each other. As a result, metals can be bent, shaped, and deformed without breaking. The presence of mobile electrons also contributes to other properties of metals, such as their high electrical and thermal conductivity.

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3.

Explain why sodium chloride has a high melting pointSodium bromide exist as giant ionic lattice. A lot of energy is required to overcome the stron _____ attraction between the positively charged Na⁺ and Cl^-ions. Hence sodium bromide has a high melting point.

Correct Answer
electrostatic

Explanation
Sodium chloride has a high melting point because it exists as a giant ionic lattice. The positively charged sodium ions (Na+) and negatively charged chloride ions (Cl-) are strongly attracted to each other due to electrostatic forces. These forces of attraction are very strong, requiring a lot of energy to overcome and separate the ions. Therefore, sodium chloride has a high melting point.

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1

4.

Explain why aluminium is a good electrical conductorAluminum exist as giant metallic lattice. Each aluminium atom loses 3 valence electrons to form a latice of positively charge Al³⁺ ions surrounded by 'sea' of electrons. Presence of which can flow under applied potential makes aluminium a good electrical conductor.

Correct Answer
mobile electrons

Explanation
Aluminum is a good electrical conductor because it has mobile electrons. In its metallic lattice structure, each aluminum atom loses three valence electrons, creating positively charged Al3+ ions. These ions are surrounded by a "sea" of delocalized electrons that are free to move throughout the lattice. When an electric potential is applied, these mobile electrons can easily flow, allowing for the efficient transfer of electric charge and making aluminum an excellent conductor of electricity.

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5.

When electrons are completely transferred, they will form ions and ionic compounds. This is known as _ __

Correct Answer
ionic bonding

Explanation
Ionic bonding occurs when electrons are completely transferred between atoms, resulting in the formation of ions and ionic compounds. In this type of bonding, one atom loses electrons to become a positively charged ion (cation), while another atom gains those electrons to become a negatively charged ion (anion). The attraction between these oppositely charged ions creates a strong bond, known as ionic bonding. This type of bonding is typically observed between metals and nonmetals.

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6.

The overall process of achieving stability is _________

Correct Answer

Explanation
The overall process of achieving stability is a continuous and dynamic one. It involves maintaining a state of balance and equilibrium in various aspects such as physical, mental, emotional, and financial well-being. This process requires identifying and addressing any imbalances or disruptions that may arise, implementing strategies to manage stress and challenges, and fostering resilience and adaptability. It also involves nurturing supportive relationships, seeking personal growth and self-care, and making choices that align with one's values and goals. Ultimately, achieving stability is an ongoing journey that requires self-awareness, effort, and a willingness to adapt to change.

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7.

How would you make Potassium Chloride a good conductor of electricity?

Grind it into a fine powder
Freeze it
Heat it above its melting point
Mix it with solid sodium chloride
None of the above.

Correct Answer

A. Heat it above its melting point

Explanation

By heating it above its melting point, it becomes a liquid or moleten which would then have mobile ions to conduct electricity

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8.

Which of the following is untrue for an ionic compound?

It has a giant 3 dimensional lattice in solid form
It dissolves well in water
It is soft and malleable
It conducts electricity in molten form
It has a high melting and boiling point

Correct Answer

A. It is soft and malleable

Explanation

An ionic compound is made up of ions, which are held together by strong electrostatic forces of attraction. These forces create a rigid and ordered structure, resulting in a giant 3-dimensional lattice in solid form. This lattice structure makes ionic compounds hard and brittle, rather than soft and malleable. Therefore, the statement "It is soft and malleable" is untrue for an ionic compound.

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9.

Explain why aluminium is a good heat conductorAluminium exists as a giant metallic lattice. Metals are good heat conductor as the atoms are closely packed. Heat energy can be easily transferred from one atom to another by _____ as well as collisions of mobile electrons

Correct Answer
vibrations

Explanation
Aluminium is a good heat conductor because it exists as a giant metallic lattice, where the atoms are closely packed. In metals, heat energy can be easily transferred from one atom to another through vibrations. Additionally, the mobile electrons in metals also contribute to the conduction of heat through collisions.

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10.

Ionic bonds are usually formed between and .

Correct Answer
metals and non-metals
metals;non-metals
metals, non-metals
metals non-metals

Explanation
Ionic bonds are usually formed between metals and non-metals. This is because metals tend to lose electrons and become positively charged ions, while non-metals tend to gain electrons and become negatively charged ions. The attraction between these oppositely charged ions results in the formation of ionic bonds.

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How Well Do You Know Ionic And Metallic Bonding?

What are atoms trying to achieve when they bond with other atoms?

Quiz Preview

Why are metals soft and malleable?

Explain why sodium chloride has a high melting pointSodium bromide exist as giant ionic lattice. A lot of energy is required to overcome the stron _____ attraction between the positively charged Na+ and Cl- ions. Hence sodium bromide has a high melting point.

When electrons are completely transferred, they will form ions and ionic compounds. This is known as _______ ________

The overall process of achieving stability is _________

How would you make Potassium Chloride a good conductor of electricity?

Which of the following is untrue for an ionic compound?

Explain why aluminium is a good heat conductorAluminium exists as a giant metallic lattice. Metals are good heat conductor as the atoms are closely packed. Heat energy can be easily transferred from one atom to another by _____ as well as collisions of mobile electrons

Ionic bonds are usually formed between ______ and ______.

Explain why sodium chloride has a high melting pointSodium bromide exist as giant ionic lattice. A lot of energy is required to overcome the stron _____ attraction between the positively charged Na⁺ and Cl^-ions. Hence sodium bromide has a high melting point.

When electrons are completely transferred, they will form ions and ionic compounds. This is known as _ __

Ionic bonds are usually formed between and .