Unit 2 Vocabulary Flashcards

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0
Q

Liquid

A

No definite shape

Definite volume

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1
Q

Gas

A

No definite shape or volume

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2
Q

Soild

A

Definite shape and volume

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3
Q

Atom

A

Smallest unit of matter

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4
Q

Proton

A

Positively charged found in nucleus

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5
Q

Neutron

A

Neutrally charged found in nucleus

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6
Q

Electron

A

Negatively charged found in electron cloud

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7
Q

Ion

A

Element that has lost or gained an electron

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8
Q

Ionic bond

A

One atom donates an electron to another electron not very strong

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9
Q

Covalent bond

A

Two or more atoms share electrons very strong

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10
Q

Compound

A

Two or more atoms held together with ionic bonds

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11
Q

Molecule

A

Two or more atoms held together with a covalent bond

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12
Q

Chemical formula

A

a mathematical relationship or rule expressed in symbols.

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13
Q

Chemical equation

A

A chemical equation is symbolic representation of a chemical reaction where the reactant entities are given on the left hand side and the product entities on the right hand side

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14
Q

pH

A

Is a scale that goes from 1-14 1-7 is acidic 7-14 is bases and 7 is neutral

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15
Q

Synthesis reaction

A

In chemistry, chemical synthesis is purposeful execution of chemical reactions to get a product, or several products. This happens by physical and chemical manipulations usually involving one or more reactions

16
Q

Decomposition reaction

A

separation of a substance into two or more substances that may differ from each other and from the original substance

17
Q

Exchange reaction

A

Reaction in which two atoms or ions exchange places either in two different molecules or in the same molecule.

18
Q

Law of conservation of mass

A

Mass can not be created nor destroyed

19
Q

Law of conservation of energy

A

Energy can not be created nor destroyed

20
Q

Acid

A

Any solution that contains more hydrogen atoms then hydroxide ions

21
Q

Base

A

Any solution that contains more hydroxide ions than hydrogen ions

22
Q

Element

A

a part or aspect of something abstract, esp. one that is essential or characteristic.

23
Q

Heterogeneous

A

A mixture that us not evenly mixed

24
Q

Homogeneous

A

That same kind

25
Q

Lipids

A

Fats oils and waxes

26
Q

Carbohydrate

A

Sugars starch and cellulose

27
Q

Amino acids

A

There are 20 amino acids and form together with dehydration synthesis

28
Q

Monosaccharide

A

Simplistic form of a carbohydrate