Unit 2-5 Test Unit 2 - The Atom Quizizz

These particles orbit around the nucleus of an atom.  What are they called?

• electrons
• protons
• neutrons
• photons

What are the names of the particles in the nucleus?

• protons and neutrons
• protons and electrons
• photons and neutrons
• nucleons and protons

Tags

NGSS.MS-PS1-1

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

all matter is made of what 

• energy 
• atoms 
• electrons 
• compounds 

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NGSS.MS-PS1-1

electrons have this type of charge?

• negative
• positive
• neutral

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NGSS.MS-PS2-3

True or False? Neutrons have a negative charge

• True
• False

Describe an Electron Cloud?

• the mist outside of an atom
• home of the protons
• where electrons are located
• nucleus

Tags

NGSS.MS-PS1-1

How many electrons does an Iodine atom have?

• 53

• 126

• 73

• 179

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NGSS.MS-PS1-1

What is the atomic mass of Iron?

• 26

• 55.845

• 56

• 30

How many electrons does an atom of Krypton have?

• 36

• 83.798

• 47.798

• 119.798

Tags

NGSS.MS-PS1-1