Atoms and Molecules class 9

all matter is made of what 

• energy 
• atoms 
• electrons 
• compounds 

Tags

NGSS.MS-PS1-1

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

Tags

NGSS.HS-PS1-8

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

• negatrons 
• electrons 
• neutrons 
• protons 

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

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

Tags

NGSS.MS-PS1-1

Neutrons are _______________ particles.

• negative
• positive
• neutral
• cows

The positive particles of an atom are called ___________.

• electrons 
• atoms
• neutrons 
• protons 

The smallest part of an element is known as the 

• Periodic Table
• Atom
• Group
• Period

Tags

NGSS.MS-PS1-1

Which term defines a substance that is formed by the combination of elements using fixed amounts?

• atom

• compund

• element

• molecule

Tags

NGSS.MS-PS1-1

Which term defines any substance that cannot be broken down into a simpler substance?

• atom

• molecule

• element

• compound

What are the basic building blocks for all matter?

• atoms
• elements
• compounds
• chemicals

Tags

NGSS.MS-PS1-1