Ionic Compounds more

When an atom gains an electron it becomes

• a cation

• positive

• negative

• neutral

Nonmetals form negative ions because

• they want to gain electrons

• they have a low electronegativity

• they have a low ionization energy

• they have a high electronegativity

Magnesium iodate has the formula:

• MgI₂

• MgIO₃

• Mg(IO₃)₂

• Mg(IO₄)₂

What is the name of PbS

• lead (II) sulfide

• lead (I) sulfide

• lead sulfate

• lead (II) sulfite

• lead sulfide

Metals form positive ions because

• they want to lose electrons

• they like 8 electrons

• they have a low ionization energy

• they have a high ionization energy

What is the name of: ZnC₂H₃O₂

• zinc acetate

• zinc (I) acetate

• zinc hydrogen carbonate

• zinc oxalate

What is the formula for:

ammonium phosphate

• NH₄PO₄

• (NH₄)(PO₄)₃

• (NH₄)₃PO₄

• (NH₄)₃(PO₄)

Magnesium bromide is an ionic compound with the chemical formula MgBr₂.  What does the "2" tell you?

• There are 2 bromide ions for every magnesium ion
• Bromide has a 2- charge
• Bromide has a 2+ charge
• There are 2 magnesium ions to every bromide ion

Tags

NGSS.MS-PS1-1

What is the charge of Neon?

• 0
• +1
• -1
• 1

Tags

NGSS.HS-PS1-1

If an atom has 8 protons (+) and 10 electrons (-), what is it's charge?

• ²⁺

• ⁸⁺

• ^2-

• ^10-