Molecules

How many elements occur in nature?

• 1

• 72

• 92

The connection between atoms in more complex particles is called a:

• chemical

• chemical bond

• chemical pair

A group of two or more atoms that are held together by chemical bonds

• Molecule

• Mole

• Matom

Tags

NGSS.MS-PS1-1

A unique molecule always has a unique composition and structure.

• True

• False

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NGSS.MS-PS1-1

The types of elements that make up a substance, as well as the specific ratios of atoms of each kind of element that make it up

• Atoms

• Molecules

• Atomic Composition

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NGSS.MS-PS1-1

How many hydrogen atoms are in a water molecule?

• 1

• 2

• 3

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NGSS.MS-PS1-1

How many oxygen atoms are in a water molecule?

• 1

• 2

• 3

Tags

NGSS.MS-PS1-1

What is the difference between a water molecule and a hydrogen peroxide molecule?

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NGSS.MS-PS1-1

Describe why the number of atoms are the same, but the they are different molecules.

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NGSS.MS-PS1-1

__________ is a solid structure whose atoms or molecules are arranged in repeating, three-dimensional subunits.

• Atom

• Molecule

• Crystal

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NGSS.MS-PS1-1