Periodic Families & Trends

Front

As you move down the periodic table, atoms get bigger because ____________.

Back

The atoms have more energy levels.

Front

Which pair of elements has the most physical and chemical properties in common?

Back

Al and Ga.

Front

Electronegativity __________ as you go across a period.

Back

increases.

Front

Which element requires the least amount of energy to remove the most loosely held electron from a gaseous atom in the ground state?

Back

sodium (Na).

Front

Element X most likely belongs to which group from the periodic table if it has properties similar to group 1?

Back

1 (1A).

Front

What is the general trend of atomic radius as you move across a period?

Back

Atomic radius decreases.

Front

What is the general trend of ionization energy as you move down a group?

Back

Ionization energy decreases.

Front

Define electronegativity.

Back

The tendency of an atom to attract electrons in a chemical bond.

Front

Which group of elements is known as the alkali metals?

Back

Group 1 (1A).

Front

What happens to the reactivity of nonmetals as you move across a period?

Back

Reactivity increases.