Groups and Periods

Front

What are groups in the periodic table?

Back

Groups are the vertical columns in the periodic table where elements have the same number of valence electrons.

Front

What are periods in the periodic table?

Back

Periods are the horizontal rows in the periodic table that indicate the number of electron shells an element has.

Front

How many valence electrons do elements in Group 1 have?

Back

Elements in Group 1 have 1 valence electron.

Front

How many valence electrons do elements in Group 14 have?

Back

Elements in Group 14 have 4 valence electrons.

Front

What do elements in the same group have in common?

Back

Elements in the same group have the same number of valence electrons.

Front

What is the significance of valence electrons?

Back

Valence electrons determine how an element reacts chemically with other elements.

Front

What is the difference between groups and periods?

Back

Groups are vertical columns with similar properties, while periods are horizontal rows indicating energy levels.

Front

Which group contains the noble gases?

Back

Group 18 contains the noble gases.

Front

What is the general trend of reactivity in Group 1 elements?

Back

Reactivity increases as you move down Group 1.

Front

What is the general trend of reactivity in Group 17 elements?

Back

Reactivity decreases as you move down Group 17.