Chapter 4 Structure of an atom: Quiz 1

Which two particles make up the nucleus of an atom?

• Protons and Electrons
• Protons and Neutrons
• Molecules and Compounds
• Neutrons and Electrons

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NGSS.MS-PS1-1

In an atom, what is the number of protons equal to?

• The number of electrons.
• The number of neutrons.
• The number of molecules.
• The number of nuclei.

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NGSS.MS-PS1-1

The particles with no charge in an atom are the _______.

• electrons
• neutrons
• protons
• protons and neutrons

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NGSS.MS-PS1-1

The positively charged particles of an atom are the ________.

• electrons
• protons
• neutrons
• protons & neutrons

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NGSS.MS-PS1-1

The negatively charged particles of an atom are the ______.

• electrons
• protons
• neutrons
• protons & neutrons

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NGSS.MS-PS1-1

An electron has this charge

• positive
• negative
• neutral

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NGSS.MS-PS2-3

A neutron has this charge

• negative
• positive
• neutral

A proton has this charge

• negative
• positive
• neutral

An atom with atomic number 6 would have how many protons?

• 6
• 12
• 3
• cannot be determined 

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NGSS.MS-PS1-1

How many electrons are in the element, Oxygen, with the atomic number of 8?

• 7
• 10
• 8
• 9

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NGSS.MS-PS1-1