Periodic Table Trends

Front

What is the atomic number of Aluminum?

Back

13

Front

How many protons does Aluminum have?

Back

13

Front

What is the electron configuration of Aluminum?

Back

1s² 2s² 2p⁶ 3s² 3p¹

Front

What are valence electrons?

Back

Electrons in the outermost shell of an atom that are involved in chemical bonding.

Front

How many valence electrons does Aluminum have?

Back

3

Front

What are halogens?

Back

Elements in Group 17 of the periodic table, known for having 7 valence electrons.

Front

List the halogens.

Back

Fluorine (F), Chlorine (Cl), Bromine (Br), Iodine (I), Astatine (At)

Front

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

Back

Ionization energy increases from left to right across a period.

Front

What is the general trend of ionization energy down a group in the periodic table?

Back

Ionization energy decreases as you move down a group.

Front

What are alkali metals?

Back

Elements in Group 1 of the periodic table, known for having 1 valence electron.