Warm up # 1 unit 5

Front

What is ionization energy?

Back

Ionization energy is the energy required to remove an electron from an atom or ion in its gaseous state.

Front

Which element has the highest ionization energy?

Back

Helium has the highest ionization energy among all elements.

Front

What is the formula for chromate?

Back

The formula for chromate is CrO4 2-.

Front

What is the formula for nitrate?

Back

The formula for nitrate is NO3 1-.

Front

What is the formula for carbonate?

Back

The formula for carbonate is CO3 2-.

Front

What is the formula for chlorite?

Back

The formula for chlorite is ClO2 1-.

Front

What is the difference between chromate and dichromate?

Back

Chromate (CrO4 2-) has one less oxygen than dichromate (Cr2O7 2-).

Front

What is the charge of a nitrate ion?

Back

The charge of a nitrate ion is -1.

Front

What is the charge of a carbonate ion?

Back

The charge of a carbonate ion is -2.

Front

What is the significance of ionization energy in chemistry?

Back

Ionization energy is significant as it helps predict an element's reactivity and the type of bonds it can form.