Molecules and Atoms

How many Hydrogen atoms are in Water (H2O)

• 1

• 2

• 3

• 4

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NGSS.MS-PS1-1

Are these molecules also compounds?

• YES

• NO

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NGSS.MS-PS1-1

Which of the following is NOT a compound?

• HCl

• Cl₂

• NaCl

• CO₂

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NGSS.MS-PS1-1

Which of the following represents an element molecule?

• H₂O

• H₂

• NaCl

• CaCO₃

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NGSS.MS-PS1-1

This picture represents which of the following?

• elemental molecule

• compound molecule

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This subatomic particle of an atom has a NEGATIVE charge.

• Electron

• Proton

• Atom

• Neutron

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NGSS.MS-PS1-1

Atoms are more than ________ times smaller than the width of a hair.

• 10

• 100

• 1,000

• 10,000

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NGSS.MS-PS1-1

A molecule is made up of ____ or more atoms.

• 1

• 2

• 3

• 4

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NGSS.MS-PS1-1

What chart should you reference to lookup information about elements?

• Elemental map

• Periodic Table of Elements

• Table of atoms

• None of the above

Protons and neutrons clump together to form the __________ of an atom.

• nucleus

• centrosome

• outer shell

• orbital

Tags

NGSS.MS-PS1-1