Matter Part 2 Review HSPS

An ionic bond takes place between

• two metals

• two nonmetals

• a metal and a metalloid

• a metal and a nonmetal

What is the chemical bond that is formed when

two atoms share one or more pairs of electrons?

• orbital bond

• ionic bond

• polar bond

• covalent bond

Ionic compounds form when_____ and _____ react.

• non metals and non metals

• halogens and metalloids

• metals and nonmetals

• metalloids and metals

Tags

NGSS.MS-PS1-5

• Yes, because the unknown compound has a

  high melting point caused by a strong ionic

  bond.

• Yes, because the unknown compound has a

  high melting point caused by a weak ionic bond.

• No, because the unknown compound has a high

  melting point caused by a weak covalent bond.

• No, because the unknown compound has a high

  melting point caused by a strong covalent bond.

Tags

NGSS.MS-PS1-2

What is the formula for the compound formed

when a potassium ion (K+) and a sulfide ion (S2-)

unite?

• KS

• K2S

• KS3

• KS2

Tags

NGSS.MS-PS1-1

What is the sum of the charges in a compound?

• 0

• +1

• -1

• +2

Tags

NGSS.MS-PS1-1

• Li2O

• LiO

• LiO2

• Li2O2

Tags

NGSS.MS-PS1-1

What is the general rule for writing the formula of

a binary ionic compound?

• Use the charge of each ion as its subscript in

  the formula.

• Use the charge of each ion as the subscript for

  the other ion.

• Use the ratio of cations to anions that gives

  equal numbers of each kind of ion.

• Use the simplest whole number ratio of cations

  and anions that will give an electrically neutral

  compound.

Which THREE binary ionic compounds are

correct?

• Be2F, Cs2S, K3N

• CaS, Cs2S, K3N

• NaF2, Be2F, CaS

• CaS, K3N, NaF2

Tags

NGSS.HS-PS1-2

What is the chemical formula for nitrogen(IV)

oxide?