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20 questions
What is the atomic mass of this atom?
13
14
26.98
If the atomic mass is 55.85, what is the name of this element?
Iron
Fe
Manganese
Mn
If the atomic mass is 55.85, what is the atomic number?
56
26
30
25
If the atomic mass is 55.85, what is the number of electrons
25
30
26
59
If the atomic mass is 55.85, what is the number of neutrons?
26
56
30
25
If the atomic mass is 55.85, what is the number of protons?
26
56
30
25
What is the number of electrons?
13
14
26.98
27
What is the atomic number?
14
27
26.98
13
What is the atomic number?
24.31
24
13
12
What is the atomic mass?
24.31
22
13
12
How many neutrons does this atom have?
24.31
22
12
13
How many protons does this atom have?
24.31
12
22
13
How many electrons does this atom have?
24.31
13
22
12
What is the name of this element?
Manganese
Mn
Magnesium
Mg
What is the atomic number of this atom?
59
31
28
30
What is the atomic mass of this atom?
59
31
28
30
What is the number of protons of this atom?
31
59
30
28
What is the number of electrons of this atom?
31
28
30
59
What is the number of neutrons of this atom?
31
28
30
59
What is the chemical symbol for this atom?
Nickel
Ni
Gallium
Ga
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