bchemmwl Flashcards

1
Q

alkali metals

A

+1 cation. 1 VSE

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2
Q

alkaline earth metals

A

2 VSE

2 cation

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3
Q

transition metals

A

3-12
1-7 VSE
1-7 cation

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4
Q

boron

A

3

3 cation

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5
Q

carbon

A

4

4 or -4

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6
Q

nitrogen

A

+5 or -3

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7
Q

oxygen

A

6 VSE

6 or -2

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8
Q

halogens

A

7 VSE

-1

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9
Q

binary

A

two elements

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10
Q

non binary

A

more than 2 element

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11
Q

covalent bond molecular compound

A

share electrons

non metal and non metal

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12
Q

iconic bond

A

one atom gained and the other loses

non metal and metal

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13
Q

naming binary ionic

A

1st élément name followed by second and then “ide”

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14
Q

naming binary molecular

A

if more than one atom add prefix for 1st element

for second element add prefix all the time and end with “ide”

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15
Q

naming non binary

A

metal first and then poly atomic ion

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16
Q

classical system

A

ous or ic

cuprum: 1/2
stannum: 2/4
plumbum: 2/4
ferrum: 2/3

17
Q

stick system

A

elemen name and roman numéral of first element

18
Q

no exposant build and balance

A

spilt and add a 2 to diatomics

19
Q

polyatimic ions build and balance

A

new formula : swap positives

cross if necessary

20
Q

normal build and balance

A

put symbols together find charges cross if necessary

21
Q

hydrocarbon + oxygen (CH4 + O2)

A

H2O + CO2 (water + carbon dioxide)

22
Q

NH4

A

ammonia

1

23
Q

OH

A

hydroxide

-1

24
Q

CO3

A

carbonate

-2

25
Q

NO3

A

-1

26
Q

SO4

A

-2

27
Q

HCO3

A

-1

28
Q

HSO4

A

-1

29
Q

PO4

A

-3

30
Q

Antoine Lavoisier

A

the total mass of the reactants was equal to the total mass of the products
-law of conservation of law

31
Q

John Dalton

A

all matter is made of atoms
atoms cannot be destroyed, creates or divided
all aims of the same element are the same mass and size
compounds are formed wehen atoms of different elements combine