Periodic Table Flashcard

Front

What is an electron?

Back

A particle with a negative charge found in atoms.

Front

How many protons does Bromine have?

Back

35 protons.

Front

Which metal is the most reactive?

Back

Sodium (Na) is the most reactive metal.

Front

What is a metalloid?

Back

Elements that must touch the stair-step line on the periodic table.

Front

What property do metals share?

Back

Metals typically react with acids.

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom.

Front

What is an isotope?

Back

Atoms of the same element with different numbers of neutrons.

Front

What is the periodic table?

Back

A tabular arrangement of elements based on their atomic number and properties.

Front

What are alkali metals?

Back

Group 1 elements that are highly reactive and have one electron in their outer shell.

Front

What are noble gases?

Back

Group 18 elements that are inert and have a full outer electron shell.