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Mr. Bailey's Counting Moles and Molar Masses Flashcards | StudBud
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Mr. Bailey's Counting Moles and Molar Masses
Mr. Bailey's Counting Moles and Molar Masses
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Calculating Moles and Molar Mass + Some Elemental Naming
Flashcards
31 cards
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Practice quiz
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Questions
31
Answers
1
What element has 38 e-
H
Sr
B
C
2
What is the atomic number of Einsteinium
15
99
67
999
3
Weight of electrons
1/1836 gram
1/1836 amu
1 gram
1 amu
4
Who is the Republican Candidate?
Trump
Hillary
Kevin
Harambe
5
Mass is neither ______ or _____ during chemical reactions
created, smashed
drowned, burned
harambe, clowns
created, destroyed
6
What did rutherford discover
neutrons
e- orbit nucleus
Cure to cancer
Nucleus
7
Avagadros Number is ?????
6.20x10^23
10.00x^6.23
6.02x10^23
6.002x10^23
8
Daltons' Atomic Theory
Atoms are made of nucleus with e- orbiting
Tupac is still alive.
Mass is neither created or destroyed
All elements made of atoms
9
How much does a proton weigh
1 amu
1 amu
1 gram
same as neutron
10
How many grams do 4.3x10^21 molecules of UF6 weigh?
None of the above
1.52 grams
2.51 grams
5.21 grams
11
Find the molar mass of S2F10
207.1
254.1
245.1
270.1
12
How many molecules are there in 2.3 grams of NH4SO2
9.16x10^22
1.69x10^22
240 grams
1.96x10^24
13
How many grams are there in 2.3 x 10^24 atoms of silver?
124
214
421
241
14
How many molecules are there in 200 grams of CCL4
7.82x10^23
None of the above
6.25x10^23
8.72x10^24
15
What is K?
Kake
Karbon
Potassium
Karbonate
16
How many molecules are there in 230 grams of NH4OH?
9.36x10^24
3.96x10^24
6.39x10^23
4.00x10^22
17
What is an isotope?
Atom with a charge
different number of electrons as the original
Different number of protons as the original
different number of neutrons as the original
18
Mercury
Me
Au
Mg
Hg
19
What element has 78 protons?
Mg
Au
Pt
T
20
Mg
Americium
Magma
Manganese
Magnesium
21
What is H3PO4 molar mass
100
98
89
88
22
Thompson's Model is also known as Thomspsons _____ ____
Atomic Theory Model
Raising Bran Model
Plum pudding Model
Apple Pie Model
23
How many molecules in 24 grams of FeF3
2.12x10^23
128 grams
1.28x10^24
1.28x10^23
24
What is the atomic number
Number of Protons
Number of neutrons
How much it weighs
Electrons - neutrons
25
How many grams are there in 7.5x10^23 molecules of H2SO4
221
212
221
122
26
Find the Molecular Weight of Mg(OH)2
85.31
58.31
60.59
06.59
27
Who is this Dime piece?
Beiber
Rutherford
Avagadro
Einstein
28
Chlorine-37 has 17 protons so how many neutrons are there?
20
17
200
71
29
How many neutrons in H
None
1
.5
100
30
What is the atomic number of Hafnium
27
72
117
27.7
31
How many grams are there in 4.5x10^22 molecules of Ba(NO2)2?
171.1
17.1
117.1
71.1
