Periodic Table Development, Properties, & Trends

Front

Where are the metalloids found on the periodic table?

Back

Metalloids are found along the stair step/diagonal line on the periodic table.

Front

Which element is found in group 18 period 4?

Back

Krypton (Kr) is found in group 18 period 4.

Front

What happens to the size of atoms as you move across the periodic table?

Back

Atoms tend to get smaller because they have more protons.

Front

Which group of elements can act like metals or nonmetals and are colored red on the periodic table?

Back

Metalloids can act like metals or nonmetals.

Front

Which element has a lower ionization energy than Scandium (Sc)?

Back

Calcium (Ca) has a lower ionization energy than Scandium (Sc).

Front

What is the general trend in ionization energy across a period?

Back

Ionization energy generally increases across a period from left to right.

Front

What is the general trend in atomic radius down a group?

Back

Atomic radius generally increases down a group.

Front

What are alkali metals?

Back

Alkali metals are elements in group 1 of the periodic table, known for being highly reactive.

Front

What are halogens?

Back

Halogens are elements in group 17 of the periodic table, known for being very reactive nonmetals.

Front

What is the significance of the stair-step line on the periodic table?

Back

The stair-step line separates metals from nonmetals and indicates the location of metalloids.