Unit 4 Review HSPS

Front

What is the solubility of NaBr at 70 degrees Celsius?

Back

120 grams of NaBr is saturated at 70 degrees Celsius.

Front

What type of bond involves the sharing of electrons between atoms?

Back

Covalent bond.

Front

What is the formula for the compound formed by Ca²⁺ and N^3-?

Back

Ca₃N₂.

Front

What are the general characteristics of elements on the left side of the periodic table?

Back

They are generally cations.

Front

What are the general characteristics of elements on the right side of the periodic table?

Back

They are generally anions.

Front

What type of bond is formed between beryllium and sulfur?

Back

Ionic bond.

Front

Define ionic bond.

Back

A bond formed through the transfer of electrons from one atom to another, resulting in the formation of charged ions.

Front

Define covalent bond.

Back

A bond formed when two atoms share one or more pairs of electrons.

Front

What is the charge of a calcium ion?

Back

Ca²⁺ (it has a +2 charge).

Front

What is the charge of a nitride ion?

Back

N^3- (it has a -3 charge).