Periodic Table 8th Grade

Front

Elements in a ..................have similar chemical properties.

Back

group

Front

Which elements have the most similar chemical properties? K and Na, K and Ca, K and Cl, K and S

Back

K and Na

Front

How many electrons do (most) atoms need to be stable? 1, 2, 6, 8

Back

8

Front

Which element is not a metal? Li, Y, Al, N

Back

N

Front

The periodic table has __ periods. 18, 8, 2, 7

Back

7

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What do elements in the same group of the periodic table have in common?

Back

They have similar chemical properties and the same number of valence electrons.

Front

What is a period in the context of the periodic table?

Back

A horizontal row of elements in the periodic table.

Front

What are noble gases?

Back

Elements in Group 18 that are colorless, odorless, and inert.

Front

What is the significance of the periodic table's arrangement?

Back

It organizes elements based on increasing atomic number and similar properties.