Science Final 21-40 Flashcards

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1
Q

The materials start with in a chemical reaction are called the……..

A

Reactants

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2
Q

The materials you end with in a chemical reaction are called the ……..

A

Products

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3
Q

A substance that changes color in an acid or base is called a(n) _______________.

A

Indicator

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4
Q

Anything that has mass and takes up space is called _________________

A

matter

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5
Q

The state of matter that has a definite shape and volume.

A

Solid

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6
Q

If a metal can be pulled into wires, it is said to be ___________________.

A

Ductile

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7
Q

When one atom steals an electron causing it to become negatively charged.

A

Ionic Bond

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8
Q

Two non-metals that share electrons.

A

Covalent Bond

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9
Q

An atom that has lost or gained electrons and becomes charged.

A

Ion

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10
Q

The effect of gravity on mass is called….

A

Weight

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11
Q

To give off heat is called….

A

Exothermic

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12
Q

The amount of space an object takes up.

A

Volume

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13
Q

The amount of mass and object has is called…..

A

Matter

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14
Q

A solid that is formed from the chemical reaction of two liquids is called…..

A

precipitate

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15
Q

To take in heat

A

endothermic

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16
Q

Metal or Nonmetal
Found on the left side of the periodic table, fewer valance electrons, malleable, ductile, usually gray or silver in color and have a metallic luster.

A

metal

17
Q

Metal or Nonmetal
Found on the right side of the periodic table, have a greater number of valance electrons, come in many colors, not ductile, not malleable, found in many states of matter.

A

Nonmetal

18
Q

Two or more substances not bonded together in no particular ratio is called a(n)……

A

mixture

19
Q

The type of change that involves no new products

A

Physical Change

20
Q

The type of change where new products are created

A

Chemical Change.