The correct oxidation number for the Beryllium ion is

• 0

• +2

• -2

• +4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

When a metal reacts with a nonmetal in the formation of an ionic compound, the metal ion will always

• share its valence e-

• transfer valence e- to the nonmetal

• accept valence e- from the nonmetal

• neither transfer or share e- with the nonmetal

Tags

NGSS.HS-PS1-2

The correct formula for Zinc Chloride is

• ZnCl2

• ZnCl

• Zn2Cl

• Zn2Cl2

Tags

NGSS.MS-PS1-1

The correct formula for Aluminum Sulfate is

• AlSO4

• Al3(SO4)2

• Al2(SO3)3

• Al2(SO4)3

The oxidation number of the Gold ion in Gold (III) is

• 0

• 1

• 3

• 7

In CuCl2 , there are ____ chloride ions present in the compound.

• 1

• 2

• 0

• 3

Tags

NGSS.MS-PS1-1

The correct name for Ni (NO2) 3 is

• Nickel (II) nitrite

• Nickel (III) nitrate

• Nickel nitrate

• Nickel (III) nitrite

MnO is

• Manganese (II) Oxide

• Manganese Oxide

• Manganese (I ) Oxide

• Manganese Diooxide

When Zinc chloride forms ionically

• The Zinc ion gives 2e- each to 2 Chloride ions

• The Zinc ion recieves 2e- each from 2 Chloride ions

• The Zinc ion gives 2e- to 1 chloride ion

• The zinc ion gives 1e- each to 2 different chloride ions

Tags

NGSS.HS-PS1-2

What is the correct name for this ion ? S ^-2

• Sulfide

• Sulfate

• Sulfite

• Sulphur

Tags

NGSS.HS-PS1-1