Unit 1 Quiz 1 (1st and 2nd Period) Atomic Structure

An element is a ___ that cannot be separated into simpler substances by physical or chemical means.

• pure substance

• mixture

• solution

• compound

__ is a pure substance containing two or more kinds of atoms.

• Element

• compound

• mixture

• solution

This picture represents which of the following?

• element

• compound

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NGSS.MS-PS1-1

Which of the following represents an element?

• H₂O

• HCl

• NaCl

• Au

• CaCO₃

Is water an element or a compound?

• Element
• Compound

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NGSS.MS-PS1-1

Is sugar (C₁₂H₂₂O₁₁) an element or a compound?

• Element
• Compound

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NGSS.MS-PS1-1

All matter is made of what?

• energy 
• atoms 
• volume
• compounds 

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NGSS.MS-PS1-1

The center of an atom is known as the

• nucleus

• electron cloud

• neutron cloud

• mass circle

What are the 3 subatomic 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

Protons have this type of charge

• positive
• negative
• neutral - no charge