Groups and Periods REV

Front

What is the atomic number of Lithium?

Back

3

Front

How many valence electrons does Sulfur have?

Back

6

Front

Elements in the same group have the same number of __.

Back

valence electrons

Front

What period is Sodium located in?

Back

3

Front

What is a group in the periodic table?

Back

A column of elements with similar properties and the same number of valence electrons.

Front

What is a period in the periodic table?

Back

A row of elements that have the same number of electron shells.

Front

How many protons does Nitrogen have?

Back

7

Front

What is the significance of valence electrons?

Back

They determine how an element reacts chemically.

Front

Which elements are in Group 1 of the periodic table?

Back

Alkali metals, including Lithium, Sodium, and Potassium.

Front

What is the relationship between groups and chemical reactivity?

Back

Elements in the same group often have similar reactivity due to their valence electrons.