Chemistry Unit 3- Bonding Review

When bonding, what number of electrons do atoms want in their valence shell?

• 8 (or zero)

• The same as before, as long as they are neutral

• 4

• 3

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the charge of a calcium ion?

• 2-

• 1-

• 1+

• 2+

What kind of ion is chloride?

• Superion

• Positive Ion

• Cation

• Anion

Ionic compounds are composed of

• only metals

• only nonmetals

• metals and nonmetals

• neither metals nor nonmetals

Name the following compound: BeCl2

• beryllium chlorine

• beryllide chlorine

• beryllium chloride

• beryllide chloride

Name the following compound: PbO2

• lead(iv) oxide
• lead (ii) oxide

• lead oxide

• lead 2 oxide

What is the formula for ammonium hydroxide?

• NH4OH
• AOH

• (NH4)2OH

• NHOH

What is the formula for iron (III) chloride?

• FeCl

• FeCl2

• Fe3Cl

• FeCl3

What is the formula for magnesium bromide?

• MgBr

• MgBr2

• Mg2Br

• Mg2Br2

Tags

NGSS.MS-PS1-1

What is the total overall charge on MgBr₂?

• 1-

• neutral

• 1+

• 2+