L6 Bonding - ionic formulae

Which of the below is an ionic compounds?

• Ni

• MgCl₂

• H₂O

• CH₄

A charged particle that has gained or lost electrons is called a _____.

• molecule
• ion
• isotope
• element

Nitrogen will form which of the following ions?

• N

• N^3-

• N^5-

• N⁵⁺

Beryllium will ____ valence electrons when forming an ionic bond.

• lose 4
• gain 4
• lose 2
• gain 2

What is the name for LiF?

• Lithium Fluoride
• Lithium Fluorine
• Fluorine Lithide

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

Ca²⁺ and N^3- create...

• Ca₂N₃
• Ca₃N₂
• CaN₃
• Ca₂N
  

Na⁺ and Cl^- create...

• Na₂Cl

• NaCl₂

• Na₂Cl₂

• NaCl

Fe²⁺ and SO₄^2- are the ions present in

• FeSO₄

• Fe₄(SO₄)₂

• FeSO₂

• correct answer is not given

What compound contains the following ions:

Ca ²⁺ and OH ^-

• Ca₂OH

• CaOH₂

• Ca(OH)₂

• correct answer is not given