Atoms and the Periodic Table Review MJ3

Front

What is the atomic number of Boron?

Back

5

Front

How do you find the number of neutrons in an atom?

Back

Subtract the atomic number from the atomic mass.

Front

What particle is small, found outside of the nucleus, and has a negative charge?

Back

Electron

Front

In a typical atomic diagram, which part represents the nucleus?

Back

The central part of the atom.

Front

What element has an atomic number of 4?

Back

Beryllium

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.

Tags

NGSS.MS-PS2-3

Front

What does the atomic mass of an element represent?

Back

The average mass of an atom of that element, accounting for isotopes.

Front

What is the periodic table?

Back

A tabular arrangement of elements organized by increasing atomic number.