Chemistry semester 1 review

Front

An atom becomes _________ when it gains electrons.

Back

Negative

Front

What is the name of group number 2?

Back

Alkaline earth metals

Front

An ionic bond will happen between __________.

Back

Metal and nonmetal

Front

Which element has a larger radius: Oxygen (O), Sulfur (S), Tellurium (Te), or Polonium (Po)?

Back

Polonium (Po)

Front

The number of valence electrons ________ by 1 as you move across the period.

Back

Increases

Front

What is the charge of a proton?

Back

Positive

Front

What is the charge of an electron?

Back

Negative

Front

What is the charge of a neutron?

Back

Neutral

Front

Define ionic bond.

Back

A chemical bond formed between two ions with opposite charges.

Front

What is the periodic trend for atomic radius as you move down a group?

Back

Atomic radius increases.