Grade 8 Test Periodic Table

Front

How do you find the neutrons in an atom?

Back

Neutrons = Atomic mass - Atomic number

Front

What group on the far left of the periodic table has 1 electron in the outer level and reacts strongly with other elements?

Back

Alkali Metals

Front

What does the zig-zag line on the periodic table represent?

Back

It separates metals from nonmetals.

Front

What number on the element key indicates how many protons an element has?

Back

Atomic number

Front

What is atomic mass?

Back

The number of protons and neutrons in the nucleus.

Front

What are the elements in Group 1 of the periodic table called?

Back

Alkali Metals.

Front

What is the significance of the atomic number?

Back

It represents the number of protons in an atom.

Front

What are noble gases?

Back

Elements in Group 18 that are inert and do not react easily with other elements.

Front

What is the difference between metals and nonmetals?

Back

Metals are typically shiny, conductive, and malleable, while nonmetals are dull, insulative, and brittle.

Front

What is a metalloid?

Back

Elements that have properties of both metals and nonmetals.