Grade 8 Test Periodic Table

Front

What is atomic mass?

Back

The number of protons and neutrons in the nucleus of an atom.

Front

What do you call an element that has properties of both metals and nonmetals?

Back

Metalloid.

Front

Which of the following is a metal? He, Cu, Po, C?

Back

Cu (Copper) is a metal.

Front

What does the Ne in a periodic table square represent?

Back

Atomic symbol.

Front

How many protons does the element Oxygen have?

Back

8 protons.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is a valence electron?

Back

Electrons in the outermost energy level of an atom.

Front

What is a compound?

Back

A substance formed when two or more elements chemically bond together.

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 the periodic table?

Back

A tabular arrangement of elements organized by increasing atomic number.