Periodic Trends and Families

Front

What charge do ions of the alkaline earth metals group have?

Back

+2

Front

Which group of non-metals is the most reactive?

Back

Halogens

Front

What is the oxidation number of noble gases?

Back

0

Front

Which element has an atomic radius smaller than boron?

Back

Carbon (C)

Front

What happens to atomic radius as you move from left to right across the periodic table?

Back

It decreases.

Front

Why does atomic radius decrease from left to right across a period?

Back

The number of protons increases, leading to a greater attraction to electrons.

Front

What is the trend in ionization energy as you move down a group in the periodic table?

Back

Ionization energy decreases.

Front

What is the trend in electronegativity as you move across a period?

Back

Electronegativity increases.

Front

What is the general trend for metallic character in the periodic table?

Back

Metallic character increases as you move down a group and decreases across a period.

Front

What is the charge of ions formed by alkali metals?

Back

+1