Periodic Table

Front

What are valence electrons?

Back

Electrons located on the outer energy level.

Front

What does the atomic number represent?

Back

The number of protons in an atom.

Front

What are the atoms along the staircase in the periodic table called?

Back

Metalloids.

Front

What does the atomic mass tell you?

Back

Basically, the number of protons and neutrons.

Front

What is the atomic number of Nickel?

Back

28.

Front

What is the periodic table?

Back

A tabular arrangement of chemical elements organized by atomic number.

Front

What are groups in the periodic table?

Back

Columns of elements that share similar properties.

Front

What are periods in the periodic table?

Back

Rows of elements that show a gradual change in properties.

Front

What are noble gases?

Back

Elements in group 18 that are inert and do not readily react with other elements.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances.