Atoms!!!!!

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

• negatrons 
• electrons 
• neutrons 
• protons 

An atom's mass number equals the number of...

• protons plus the number of electrons
• protons plus the number of neutrons
• protons
• neutrons

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

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NGSS.MS-PS1-1

The central region of an atom where its neutrons and protons are is called the

• nucleus 
• electron cloud
• core 
• center 

The smallest part of an element is known as the 

• Periodic Table
• Atom
• Group
• Period

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NGSS.MS-PS1-1

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

• electrons
• protons
• neutrons
• photons

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NGSS.MS-PS1-1

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

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NGSS.MS-PS1-1

What are the 3 particles that make-up the atom?

• protons, neutrons, and isotopes
• neutrons, isotopes, and electrons
• positives, negatives, and electrons
• protons, neutrons, and electrons

Tags

NGSS.MS-PS1-1

Which subatomic particle has a negative charge?

• proton

• neutron

• electron

• atom

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NGSS.MS-PS1-1

How many protons does fluorine have?

• 19

• 1

• 9

• 10

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NGSS.MS-PS1-1