Chemical Bonding & Naming

In a chemistry lab, a student is tasked with creating a compound and ends up with BaS. What is the correct name for this compound?

• beryllium sulfide

• barium sulfite

• barium sulfide

• barium sulfate

Which is described as the force holding two atoms together?

• cation

• chemical bond

• formula unit

• lattice

Tags

NGSS.HS-PS1-3

How does calcium obey the octet rule when reacting to form compounds?

• It gains electrons.

• It gives up electrons.

• It does not change its number of electrons.

• Calcium does not obey the octet rule.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which is the correct name for the compound (NH₄)₂SO₄?

• nitrogen hydrogen sulfate

• nitrogen hydrosulfate

• ammonium (II) sulfate

• ammonium sulfate

Which is the charge that results when oxygen becomes an ion?

• +2

• -3

• +3

• -2

How many electrons are shared in a double covalent bond?

• 1

• 2

• 3

• 4

Which is the correct formula for the compound dinitrogen monoxide?

• NO₂

• (NO)₂

• N₂O₃

• N₂O

What is the charge on the strontium ion?

• +3

• –1

• +1

• +2

Tags

NGSS.HS-PS1-1

Name the acid with the following chemical formula: H₂SO₄

• chloric acid

• sulfuric acid

• hydrosulfuric acid

• hydrogen sulfide acid

Which is the correct name for the compound CaCO₃?

• calcium oxygen carbonate

• calcium carbonate

• carbon carbonate

• calcium carbonoxide