Counting Atoms, Ionic & Covalent Bonds, Naming & Formulas REVIEW

Compounds composed of a ________ and a ________ are ionic compounds.

• non-metal; non-metal

• non-metal; metal

• metal; metal

Compounds composed of a ________ and a ________ are covalent compounds.

• non-metal; non-metal

• non-metal; metal

• metal; metal

Which bond will typically form a compound with a high boiling point?

• ionic bonds

• covalent bonds

Which best describes covalent bonds?

• They are metallic.

• Electrons are transferred between atoms to fill the valence shell.

• They form because of opposite charges.

• Electrons are shared to fill the valence shell.

Tags

NGSS.HS-PS1-1

_______ Ionic bonding = _______.

• transfer of neutrons

• transfer of electrons

• transfer of protons

• sharing of electrons

• sharing or protons

Tags

NGSS.HS-PS1-3

NGSS.HS-PS2-4

Which of the following best describes an ionic compound?

• High melting point

• Weak bonds

• Shares electrons

• Made up of non-metals

Tags

NGSS.HS-PS1-3

Why do atoms and ions form bonds?

• To increase their atomic number

• To increase their mass

• To reach noble gas configuration

• To decrease their charge

True/False: When melted or dissolved in water, covalent compounds are good conductors of electricity.

• True

• False; ionic

• False; metallic

• False; all

Which bond usually leads to its compound being a hard solid, but brittle?

• Ionic

• Covalent

• Metallic

Tags

NGSS.HS-PS1-3

Which bond can lead to its compound being solid, liquid or gas?

• Ionic

• Covalent

• Metallic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4