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Final Flashcards

1
Q

What are the five branches of chemistry

A

Analytical, physical, biochem, organic, inorganic

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2
Q

What is analytical

A

composition or whats it’s made of

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3
Q

What is physical

A

Its behavior

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4
Q

What is biochem

A

living chemistry

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5
Q

What is organic

A

with carbon

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6
Q

What is inorganic

A

without carbon

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7
Q

Name the atomic number chemical symbol chemical name and mass number of a Sulfur atom.

A
  1. 16
  2. S
  3. Sulfur
  4. 32.06
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8
Q

What does the atomic number tell you?

A

The number of protons and the number of electrons

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9
Q

What does the mass number tell you?

A

The number of protons + the neutrons

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10
Q

Write the shorthand and longhand electron configuration for V (vanadium)

A

1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^3
[Ar] 4s^2 3d^3

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11
Q

What are the sublevels?

A

spdf

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12
Q

how many unpaired electrons are in Br (bromine)

A

1

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13
Q

What do orbitals consist of

A

2 elements

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14
Q

What sublevels are valence electrons?

A

s and p

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15
Q

How many orbitals are in silver?

A

5 (hint: look at what horizontal line its in)

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16
Q

What is the law of conservation of mass and what lead Lavoisier to discover it?

A

matter cannot be created nor destroyed
He burned junk under glass on a scale and mass didn’t change after the reaction

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17
Q

What the freakin chart

A

Giga. 10^9
Mega. 10^6
Kilo. 10^3
centi. 10^-2
milli 10^-3
micro. 10^-6
nano. 10^-9
pico. 10^-12

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18
Q

Convert 6004.32 megaflowers to nanoflowers

A

6.00432x10^18 nanoflowers

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19
Q

How many sig figs are in the following
342.0010
0.004
0.0040020
0.00400

A

7
1
5
3

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20
Q

Whats the rule for sig figs when + and - vs. x and /

A

+-=least amount of decimals
x/=Least amount of sig figs

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21
Q

Solve the following with the correct number of sig figs
5.0+3.21+0.03
5.0x3.21x0.03

A

8.2
0.5

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22
Q

Simplify this number to 1 sig fig
12,006.32

A

10,000

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23
Q

Whats an atom

A

The smallest representable particle

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24
Q

Draw an atom with a nucleus, protons, neutrons, and electrons

A
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25
What is the mass of a P, N, and e
P N=1AMU e= don't care
26
The______ ________ _____ keeps electrons in orbit because of the charge of the _______.
Strong nuclear force protons
27
What was Rutherford's experiment called and what did it discover?
The gold foil experiment Atoms are mostly empty space
28
What particle defines each element
protons
29
What is an isotope
same number of protons different number of neutrons
30
Draw the Bohr model for Sulfur (hint: 3rd energy levels so 3 rings)
31
The closer the electron gets to the nucleus the _____ energy it has
less
32
When an electron falls down to another ring then it releases a ______.
photon
33
What are the shapes of S and P
spherical dumbell
34
Why is the Bohr model unique?
has energy levels
35
How do you find the energy levels?
periods
36
Afbau
lowest first
37
Pauli
spin
38
Hunds
Don't share until have to
39
What's the speed of an EM wave
3.0x10^8
40
Draw the EM and visible light spectrums
41
Name all the groups on the periodic table and the metalloids
42
How r the elements arranged in the periodic table
Increasing energy and atomic number/number of protons
43
Properties of metals
Conductive malleable lustrous
44
Properties of non-metals
Not conductive, malleable, and lustrous
45
Trend for electronegativity
Closer to florine=more electronegative
46
Trend for atomic radius
L to R smaller T to B bigger
47
Cation and how it got the charge
+ gave away e-
48
Anion and how it got charge
- gained e-
49
Do a naming section
50
Ionic
NM/m e- r transferred
51
Covalent
NM/nm e- r shared
52
Draw a metallic bond and what is it made of
M/m Fe floating in sea of e-
53
Find the lucky 7
N, o, f, cl, br, I, at
54
Draw CO2 and if it's polar or nonpolar
Polar
55
Draw 02 and if it's polar or nonpolar
Nonplar
56
Avagodros num
6.02x10^23
57
Stochiometry
Mathematical calculation of chemistry
58
Molar mass and percent composition of CO2
44.01 g/mol 27.3% C 72.7% O
59
42g H2O-----------mol H2O
2.33 mol H2O
60
13 L CO2----------gCO2
25.54 g CO2
61
42g H2O------------atoms H2O
1 molecule has 3 atoms 4.21x10^24 atoms H2O
62
What factors affect solubility
Heat it up, beat it up, stir it up
63
Molarity=
Mol/L
64
Draw solute and solvent

Chemistry (17 decks)

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