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Physical Science 20 > Chemistry 1 > Flashcards

Chemistry 1 Flashcards

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1
Q

What is a molecular compound?

A

A compound made up of two non metallic elements

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2
Q

What is an Ionic compound?

A

A compound made up of a metal and a non metal

The first is always a metal then non metal

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3
Q

What are organic compounds?

A

Compounds made up primarily of hydrogen and carbon (hydrocarbons)

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4
Q

What goes first when writing an ionic compound? Metal or non-metal

Positive or negative ion?

A

Positive metal always go first

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5
Q

Which compound must be written in lowest possible form?

A

Ionic (metal+nonmetal)

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6
Q

What do we put at the end of the element in the end of a ionic compound?

A

Ide

Ex: oxide

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7
Q

What are the first four prefixes used in molecular compounds?

A

1- mono
2- Bi
3- Tri
4- tetra

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8
Q

What are the last 6 prefixes used in a molecular and organic formula?

A 
5- penta
6- hexa
7- hepta
8- octa
9- Nona
10- deca
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9
Q

What are the two Polyatomic elements?

A

S - 8

P - 4

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10
Q

What element do all living things contain?

A

Carbon

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11
Q

What is the molecular formula of organic compounds?

A

Writing the number beside the letter of each element

Ex: C10 H22

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12
Q

What is the structural formula of organic compounds?

A

Drawing every individual element connecting with sticks

Ex: H-C-H
H

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13
Q

What is the condensed structural formula of organic compounds?

A

Writing the hydrogens beside each carbon stating the number of them

Ex: CH3-CH2-CH2-CH3

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14
Q

What type of bonds do alkanes make? And what’s the formula?

A

Single
C n
H 2n+2

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15
Q

What type of bonds do Alkenes make? And what’s the formula?

A

Double
C n
H 2n

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16
Q

Why type of bonds do alkynes make? What is the formula?

A

Triple
C n
H 2n-2

17
Q

What are the first four prefixes for organic compounds?

A

1- meth
2- Eth
3- Prop
4- But

18
Q

Which organic compounds are saturated and which are unsaturated?

A

Alkanes are saturated

Alkenes and Alkynes are unsaturated

19
Q

What is the left side of a chemical reaction known as?

A

Reactants

20
Q

What is the right side of chemical reactions known as?

A

Products

21
Q

What is synthesis reaction

A

Combination of 2 or more substances that form a compound

22
Q

What is decomposition reaction

A

One substance breaks down into 2 or more simpler ones

23
Q

What is a combustion reaction?

A

It involves burning of a hydrocarbon with oxygen. Products always H2O and CO2

24
Q

What is single replacement reaction?

A

A free element replaces another that is found in a compound

25
Q

What is a double replacement reaction?

A

Elements from two different compounds exchange places with one another

Physical Science 20 (7 decks)

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