Atoms and Periodic Table of Elements

All matter is made of

• atoms

• cells

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

What does the 1.00794 stand for?

• Hydrogen

• atomic number

• atomic mass

• atomic explosion

Tags

NGSS.MS-PS1-1

A nucleus of an atom contains what two parts?

• Electrons and Protons

• Neutrons and Electrons

• Protons and Neutrons

How many neutrons does Chlorine (Cl) with an atomic number of 17 and an atomic mass of 35.

• 17

• 18

• 19

Tags

NGSS.MS-PS1-1

Which two subatomic particles are found in the NUCLEUS of at atom?

• protons & nuetrons

• protons & electrons

• neutrons & electrons

• electrons & protons

Which type of subatomic particles have the LEAST amount of mass?

• protons

• electrons

• neutrons

• nucleus

What gives an atom mass?

• Protons & electrons in the nucleus

• electrons in the cloud

• protons & neutrons in the nucleus

• Protons & electrons in the cloud

The number of protons is equal to 

• the atomic number

• the number of neutrons

• the energy levels

• the periodic table groups

The sum of the protons and neutrons in the nucleus of an atom

• Atomic Number

• Compound

• Electrons

• Mass Number (also called Atomic Mass)

What is the atomic mass of "F"

• 9

• 18

• 17

• 19