16m) FLASHCARD - Reading the Periodic Table

Front

Which subatomic particle determines an atom's identity?

Back

Proton

Front

What does the atomic NUMBER tell you?

Back

It tells you the number of protons and electrons in an element.

Front

How many ELECTRONS does Fluorine have?

Back

9

Front

How many electrons does potassium K contain?

Back

19

Front

What does the number 1.00794 stand for?

Back

Atomic mass.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the charge of a proton?

Back

Positive.

Front

What is the charge of a neutron?

Back

Neutral.

Front

What is the charge of an electron?

Back

Negative.

Front

What is the nucleus of an atom?

Back

The central part of an atom that contains protons and neutrons.