writing and naming formulas

Front

What is the charge of the nitride ion?

Back

-3

Front

How many total electrons does a sodium ion (Na⁺) have?

Back

10

Front

What is the compound formula for Na⁺ and Cl⁻?

Back

NaCl

Front

What charge will an oxide ion have?

Back

-2

Front

If an element has 3 valence electrons, what charge will its ion most likely have?

Back

+3

Front

What is the charge of a chloride ion?

Back

-1

Front

What is the formula for the compound formed by magnesium (Mg²⁺) and oxygen (O²⁻)?

Back

MgO

Front

What is the charge of a sulfate ion (SO₄²⁻)?

Back

-2

Front

What is the formula for the compound formed by aluminum (Al³⁺) and bromine (Br⁻)?

Back

AlBr₃

Front

What is the charge of a potassium ion (K⁺)?

Back

+1