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Science > Chapter 4 > Flashcards

Chapter 4 Flashcards

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Biology 101 flashcards
1
Q

formed when two or more substances chemically combine

A

Compounds

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2
Q

able to dissolve examples: salt in water, sugar in water

A

Soluble

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3
Q

occurs when particles in a substance separate and spread evenly

A

Dissolving

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4
Q

are formed when two or more substances are evenly mixed

A

Solutions

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5
Q

solid solution of metals and nonmetals

A

Alloy

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6
Q

element that shares metal and nonmetal properties

A

Metalloid

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7
Q

mixture of large particles evenly dispersed in a liquid or gas

A

Suspension

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8
Q

substance in which the solute dissolves

A

Solvent

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9
Q

process that separates liquids

A

Distillation

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10
Q

they contain two or more elements

A

Compounds

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11
Q

they have their own physical properties

A

Compounds

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12
Q

they do not form randomly

A

Compounds

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13
Q

formed by elements joining in a specific mass ratio

A

Compounds

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14
Q

can be broken down through chemical changes

A

Compounds

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15
Q

can include reactivity with acid, reactivity with oxygen , flammability

A

Chemical properties

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16
Q

cannot filter out particles

A

Solutions and colloids

17
Q

chemical name for table salt

A

sodium chloride

18
Q

during photosynthesis, plants use carbon dioxide to make ——————————–

A

carbohydrates

19
Q

Sulfur is classified as
a. metal
b. non-metal
c. metalloid

A

B. non-metal

20
Q

gelatin, whipped cream, mayonnaise are all examples of

A

Colloids

21
Q

Water is classified as a

A

compound

22
Q

gold is classified as a

A

element

23
Q

Some bacteria can make ____________ from Nitrogen in the air

A

compounds

24
Q

are poor conductors of heat and electric current, are brittle, and dull

A

Non-metals

25
Q

Copper’s symbol

A

Cu

26
Q

Carbon’s symbol

A

C

27
Q

Hydrogen’s symbol

A

H

28
Q

Iron’s symbol

A

Fe

29
Q

2H
2

What is the first “2”

A

Coefficients

30
Q

2H
2

What is the “H”

A

Chemical symbol

31
Q

2H
2

What is the second”2”

A

Subscript

32
Q

H + O = H O
2 2

What is this

A

Chemical formula

Science (12 decks)

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