what is heliums atomic number?
2
what is magnesiums atomic mass?
24.305
how many electrons does helium have?
2
sodiums symbol is?
Na
how many neutrons are in potassium?
20 neutrons
what is nitrogens atomic number?
7
what is lithiums atomic mass?
6.941
how many electrons does hydrogen have?
1
nitrogens symbol is?
N
how many neutrons are in magnesium?
12
what is oxygens atomic number?
8
what is oxygens atomic mass?
how many electrons does carbon have?
4
hydrogens symbol is?
H
how many neutrons does lithium have?
4
what is lithiums atomic number?
3
what is hydrogens atomic mass?
1.00784
how many electrons does chlorine have?
17
heliums symbol is?
He
how many neutrons does argon have?
22 neutrons
what is magnesiums atomic number?
12
what is neons atomic mass?
20.1797
how many electrons does sodium have?
11
potassiums symbol is?
K
fluorine has how many neutrons?
10