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2nd QUARTER GRADE 12 > GEN CHEM > Flashcards

GEN CHEM Flashcards

1
Q

elements are always written in?

A

CAPITAL LETTERS

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2
Q

mul,tiplied to the number of atoms in a speicifcchemical formula

A

COEFFICIENT

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3
Q

no of atoms present in the specific element before the number

A

SUBSCRIPTS

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4
Q

no subscript

A

ONE ATOM

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5
Q

a process in which one or more substances are converted into one or more different substances

A

CHEMICAL REACTION

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6
Q

where a material is transformed into a new one processing a new composition

A

CHEMICAL REACTION

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7
Q

chemical reaction are represented by/

A

CHEMICAL EQUATION

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8
Q

subtances before reaction and rewritten on the left side of the chemical equation

A

REACTANTS

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9
Q

substances resulting from the reaction and are presented to the right side of chemical reaction

A

PRODUCTS

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10
Q

substances are added or mixed

A

+

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11
Q

designates the reactants or products are in solid form

A

S

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12
Q

designates the reactants or products in liquid form

A

L

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13
Q

designates the reactants or products in gas form

A

G

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14
Q

designates an aqueous solution or the substance is dissolbved in water

A

Aq

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15
Q

two or more compounds are combined to form one compound

A

COMBINATION REACTION

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16
Q

equation of combination reaction

A

A + B = AB

17
Q

breaking down of complex molecule into simpler ones

A

DECOMPOSITION REACTION

18
Q

decomposition reaction equation

A

AB = A+ B

19
Q

replaces one element for another in a compound

A

SINGLE REPLACEMENT REACTION

20
Q

single replacement reaction equation

A

AB + C = AC + B

21
Q

exchanges the cations or anions of two ionic compounds

A

DOUBLE REPLACEMENT REACTION

22
Q

double replacement reaction formula

A

AB + CD = AD + CB

23
Q

oxygen gas combines with hydrocarbon

A

COMBUSTION REACTION

24
Q

represents the number of carbon atoms in molecule

A

n

25
Q

twice the number of carbon atoms plus two

A

NUMBER OF HYDROGEN ATOMS

26
Q

formula for combustion

A

CnHn + O2 = H20

27
Q

SPECIAL KIND OF DOUBLE displacement reaction that take splace when an acid and a base react

A

ACID BASE REACTION

28
Q

fromula for acid base reaction

A

ACID + BASE = SALT + WATER

29
Q

acid

A

HCL

30
Q

base

A

NaOH

31
Q

SALT

A

NaCl

32
Q

WATE R

A

H20

2nd QUARTER GRADE 12 (10 decks)

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