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atoms 1
atoms 1
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intro to atoms and periodic table
Flashcards
12 cards
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Practice quiz
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Questions
12
Answers
1
What is the proton number of nickel?
7
14.01
28
58.69
2
How many neutrons are most likely in an atom of tin?
68
50
22
44
3
what is the isotopic mass of O-18?
18.15 amu
18
16
15.99 amu
4
What element has an atomic mass of 107.87 amu?
zinc
tin
gold
silver
5
What the 'a' in amu stand for?
absolute
atomic
any
arbitrary
6
What atom has 12 protons?
manganese
beryllium
carbon
magnesium
7
Where does the mass of an atom come from?
neutrons only
protons and neutrons
protons only
protons and electrons
8
How many neutrons are likely found in one F
2
molecule?
9
20
19
10
9
What is the atomic mass (in amu) of oxygen?
15.999
9
12.011
8
10
How many protons are in the diatomic molecule Br
2
?
80
70
35
160
11
How many neutrons in oxygen 18?
9
10
18
8
12
What is the atomic number of potassium?
39
31
19
15
