Pre-Learning Activity 1 - The Mole

What are subatomic particles? 

• the nucleus 
• electron cloud
• positive charge
• electrons, protons, and neutrons

Tags

NGSS.MS-PS1-1

The number 16 for the atomic element sulfur is the

• ionic number

• isotope

• atomic mass

• atomic number

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NGSS.MS-PS1-1

How many protons does sulfur have?

• 32

• 16

• 48

• 12

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NGSS.MS-PS1-1

How many electrons does sulfur have

• 16

• 32

• 48

• 12

Tags

NGSS.MS-PS1-1

In an atom, the number of protons is equal to the number of ____________.

• energy levels

• neutrons

• neurons

• electrons

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NGSS.MS-PS1-1

How many protons are in this element?

• 79
• 196
• 117
• Cannot be determined

Tags

NGSS.MS-PS1-1

How many neutrons does an Oxygen atom have?

• 8

• 16

• 24

• 7.999

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NGSS.MS-PS1-1

What is the atomic number?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

How many valence electrons does Si contain? 

• 14
• 28
• 2
• 4

Tags

NGSS.HS-PS1-1

How many valence electrons does Chlorine have?

• 5
• 2
• 7
• 5

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2