QUIZ 1 CHM3072

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

• molecule
• ion
• isotope
• element

A cation is a ____ ion.

• negative
• positive
• neutral
• ficticious

A anion will be a ____ ion.

• negative
• positive
• neutral
• ficticious

Beryllium, Be, will ____ valence electrons when forming an ionic bond.

• lose 4

• gain 4

• lose 2

• gain 2

Write the formula for barium + nitrogen

• Ba₂N₃
• Ba₃N₂
• BaN
• BaN₃

Ionic bonds consist of the ____ of valence electrons.

• sharing
• transfer

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

How do the following two elements bond together?
Al³⁺  O^2-         

• AlO
• Al₂O₃
• Al₃O₆
• Al₃O₂

Which of the following is NOT true of ionic compounds?

• Metal ions have a + charge
• Non-metal ions have a - charge
• They conduct electricity when they are solid
• They are arranged in a giant lattice

What is the correct Lewis Dot Structure for ammonia NH3

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