Chemical Bonding: Ionic vs. Covalent Bonds

Which of the following is NOT a prerequisite for understanding chemical bonds?

• Electronegativity

• Atomic mass

• Lewis dot symbols

• Valence electrons

What are the two basic rules of physics relevant to chemical bonding?

• Atoms always share electrons

• Opposites attract and likes repel

• Electrons are always transferred

• Nature moves towards higher energy

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What is the measure of an atom's ability to attract electrons to itself?

• Electronegativity

• Atomic number

• Oxidation number

• Valence

Tags

NGSS.HS-PS1-2

What is chemical bonding?

• The process by which elements combine to form a compound

• The process by which elements form a mixture

• The process by which elements lose electrons

• The process by which elements gain protons

Tags

NGSS.HS-PS1-1

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Which type of bond involves the transfer of electrons?

• Covalent bond

• Hydrogen bond

• Ionic bond

• Metallic bond

In an ionic bond, what happens to the sodium atom when it gives up its electron?

• It gains a positive charge

• It gains a negative charge

• It forms a covalent bond

• It becomes neutral

Which type of bond involves the sharing of electrons?

• Covalent bond

• Ionic bond

• Metallic bond

• Hydrogen bond

Tags

NGSS.HS-PS1-1

What type of bond is formed between hydrogen and oxygen in water?

• Ionic bond

• Hydrogen bond

• Covalent bond

• Metallic bond

Which of the following is a characteristic of ionic compounds?

• Usually gases at room temperature

• High boiling points

• Poor conductors of electricity

• Low melting points

Tags

NGSS.HS-PS1-1

Which of the following is a characteristic of covalent compounds?

• Usually crystalline solids

• High melting points

• Can be gas, liquid, or solid

• Good conductors of electricity