Periodic Trends

Front

Atomic radius generally increases as we move __________.

Back

down a group and from right to left across a period.

Front

Which of the following will have a lower ionization energy than Scandium (Sc)?

Back

Calcium (Ca)

Front

What term is used to describe 'A measure of the size of an atom'?

Back

atomic radius

Front

A group of elements that includes the most active of the elements is the -

Back

halogens.

Front

As you move across the periodic table atoms tend to get smaller because, ______________.

Back

the atoms have more protons.

Front

What is ionization energy?

Back

The energy required to remove an electron from an atom.

Front

What trend is observed in ionization energy as you move down a group?

Back

Ionization energy decreases.

Front

What is electronegativity?

Back

A measure of the tendency of an atom to attract a bonding pair of electrons.

Front

Which group of elements is known for having a full outer electron shell?

Back

Noble gases.

Front

What happens to atomic radius as you move from left to right across a period?

Back

Atomic radius decreases.