Properties and Bonding of Ionic and Covalent Compounds

Which of the following is TRUE about ionic compounds?

• They have low melting and boiling points.

• They can conduct electricity in the solid state.

• They are stronger than covalent bonds.

• They are usually formed from 2 metals.

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NGSS.HS-PS2-4

Which type of bond is formed from the sharing of electrons?

• ionic bond

• covalent bond

Ionic compounds are usually formed from _____.

• two nonmetals.

• a metal and a nonmetal.

• two metals.

What set of elements is most likely to form a covalent compound?

• Na and O

• Na and K

• O and C

Which of the following is NOT TRUE about covalent compounds?

• They have low melting and boiling points.

• They are formed from 2 nonmetals.

• They can conduct electricity when dissolved in water (aqueous).

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NGSS.HS-PS1-1

Which set of elements is most likely to form an ionic compound?

• Na and O

• C and O

• Na and K

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which element is most likely to form 2 bonds?

• Carbon

• Sulfur

• Nitrogen

• Fluorine

Tags

NGSS.HS-PS1-1

Which element is most likely to form 4 bonds?

• Carbon

• Fluorine

• Sulfur

• Nitrogen

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The chemical formula for an ionic compound is arranged in the smallest whole number ratio and is called the _____ formula.

• molecular

• empirical

• ionic

• isotopic

True or False: The chemical formula for a covalently bonded group of atoms is called the molecular formula and it indicates the exact makeup of one molecule of a substance.

• True

• False