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Chemistry > Final > Flashcards

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
Q

What is the mass of a P, N, and e

A

P N=1AMU
e= don’t care

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26
Q

The______ ________ _____ keeps electrons in orbit because of the charge of the _______.

A

Strong nuclear force
protons

27
Q

What was Rutherford’s experiment called and what did it discover?

A

The gold foil experiment
Atoms are mostly empty space

28
Q

What particle defines each element

A

protons

29
Q

What is an isotope

A

same number of protons different number of neutrons

30
Q

Draw the Bohr model for Sulfur (hint: 3rd energy levels so 3 rings)

A
31
Q

The closer the electron gets to the nucleus the _____ energy it has

A

less

32
Q

When an electron falls down to another ring then it releases a ______.

A

photon

33
Q

What are the shapes of S and P

A

spherical
dumbell

34
Q

Why is the Bohr model unique?

A

has energy levels

35
Q

How do you find the energy levels?

A

periods

36
Q

Afbau

A

lowest first

37
Q

Pauli

A

spin

38
Q

Hunds

A

Don’t share until have to

39
Q

What’s the speed of an EM wave

A

3.0x10^8

40
Q

Draw the EM and visible light spectrums

A
41
Q

Name all the groups on the periodic table and the metalloids

A
42
Q

How r the elements arranged in the periodic table

A

Increasing energy and atomic number/number of protons

43
Q

Properties of metals

A

Conductive
malleable
lustrous

44
Q

Properties of non-metals

A

Not conductive, malleable, and lustrous

45
Q

Trend for electronegativity

A

Closer to florine=more electronegative

46
Q

Trend for atomic radius

A

L to R smaller
T
to
B
bigger

47
Q

Cation and how it got the charge

A

+ gave away e-

48
Q

Anion and how it got charge

A
  • gained e-
49
Q

Do a naming section

A
50
Q

Ionic

A

NM/m
e- r transferred

51
Q

Covalent

A

NM/nm
e- r shared

52
Q

Draw a metallic bond and what is it made of

A

M/m
Fe floating in sea of e-

53
Q

Find the lucky 7

A

N, o, f, cl, br, I, at

54
Q

Draw CO2 and if it’s polar or nonpolar

A

Polar

55
Q

Draw 02 and if it’s polar or nonpolar

A

Nonplar

56
Q

Avagodros num

A

6.02x10^23

57
Q

Stochiometry

A

Mathematical calculation of chemistry

58
Q

Molar mass and percent composition of CO2

A

44.01 g/mol
27.3% C
72.7% O

59
Q

42g H2O———–mol H2O

A

2.33 mol H2O

60
Q

13 L CO2———-gCO2

A

25.54 g CO2

61
Q

42g H2O————atoms H2O

A

1 molecule has 3 atoms
4.21x10^24 atoms H2O

62
Q

What factors affect solubility

A

Heat it up, beat it up, stir it up

63
Q

Molarity=

A

Mol/L

64
Q

Draw solute and solvent

A

Chemistry (17 decks)

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