Week 4 Electrons, Protons, and Neutrons

A proton and an electron have opposite charges. Do they

• Repel each other

• Attract each other

Tags

NGSS.MS-PS2-1

Protons have

• A Negative charge

• A positive charge

• No charge

Tags

NGSS.MS-PS1-1

Beryllium has an atomic mass of

• 4

• 9.012

• 13.012

• 5.012

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NGSS.MS-PS1-1

How many electrons are found in the element pictured

• 2

• 4

• 6

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NGSS.MS-PS1-1

Find the number of neutrons that make up Iron

• 26

• 82

• 30

• 55.845

Tags

NGSS.MS-PS1-1

An electron has

• a negative charge

• a positive charge

• no charge

Tags

NGSS.MS-PS2-3

What is the atomic number of Calcium

• 20

• 40

• 60

An atom is made of

• protein, electrons, and nucleus

• protein, electrons, and nucleus

• protons, electrons, and neutrons

Tags

NGSS.MS-PS1-1

Protons have a positive charge . Two protons

• attract each other

• repel each other

Tags

NGSS.MS-PS2-3

The Symbol for Hydrogen is

• H

• He

• Hi

• Hy