Periodic Trends Test Review 25

Front

Which atom has the largest atomic radius?

Back

francium

Front

As you move down the periodic table atomic radius increases. This is because ____________.

Back

The atoms have more energy levels

Front

Why does atomic radius decrease in a period?

Back

The atoms have more protons causing more attraction to the valence electrons.

Front

Atoms that have a high electronegativity, _______________.

Back

hold on to their electrons more tightly.

Front

Electronegativity is...

Back

the ability of an atom to attract electrons

Front

The noble gas with the largest atomic radius is -

Back

Rn

Front

Which element has the largest electronegativity in the halogens?

Back

F

Front

The element with the lowest electronegativity in Period 3 is: Na, Cl, Ar, Mg.

Back

Ar

Front

Which periodic group has the smallest atomic radius?

Back

Noble Gases

Front

Electronegativity __________ across a period and __________ down a group.

Back

increases, decreases