Atoms

The particles that are found in the nucleus of an atom are

• neutrons and electrons
• electrons only
• protons and neutrons
• protons and electrons

The negative particles of an atom are

• electrons

• positrons

• neutrons

• protons

Particles in an atom that are neutral and have no charge are 

• negatrons 
• electrons 
• neutrons 
• protons 

All matter is made of __________

• energy

• atoms

• electrons

• compounds

Tags

NGSS.MS-PS1-1

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

All ____________ are made up of two or more atoms bonded together.

• atoms
• molecules
• electrons
• elements

Tags

NGSS.MS-PS1-1

What do we call a chemical substance made up of 2 or more different types atoms bonded together?

• formula
• atom
• subscript
• compound

Tags

NGSS.MS-PS1-1

Elements are made of 

• many types of atoms 
• the periodic table
• one type of atom 
• molecules 

Tags

NGSS.MS-PS1-1

Protons and neutrons clump together to form the __________ of an atom.

• nucleus
• centrosome
• outer shell
• orbital

Tags

NGSS.MS-PS1-1

Rutherford discovered that atoms are 90 to 99% made of "Empty Space"

• True

• False