Definitions Flashcards

1
Q

Chemical Change

A

A change that is irreversible change and it makes a new product.

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2
Q

Physical Change

A

This change is reversible change and its particles don’t change.

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3
Q

Element Definition

A

A particle that is made up of one pure type of atom.

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4
Q

Compound Definition

A

a substance that results from a combination of two or more different element in such a way that the atom s of the different elements are held together by chemical bonds that can be broken.

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5
Q

Mixture Definition

A

These are made up of more than one different element and are physically combined.

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6
Q

Molecule Definition

A

A group of atoms that are bonded together.

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7
Q

Acid + Metal

A

Salt+ hydrogen

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8
Q

Displacement Definition

A

When a more reactive metal steals gas from less reactive metal

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9
Q

Acid + Carbonate

A

Water + Salt + Carbon Dioxide

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10
Q

Metal + Water

A

Metal hydroxide + Hydrogen

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11
Q

Metal + Oxygen

A

Metal oxide

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12
Q

Acid + Alkali

A

Salt + Water

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