formula or equation:
Z=p+ = e ( for neutral atom)
A = p+ + n0
n0 = A-p+
Z=p+=e
element
1.chlorine atomic/Mass number/Z: 17
number of protons/p+: 35
numbers of neutrons/A: 18
numbers of electrons/e-: 17
symbol of element/#: Cl 2.
3. manganese atomic/Mass number/Z: 55
number of protons/p+: 25
numbers of neutrons/A: 30
numbers of electrons/e-: 25
symbol of element/#: MN
4. oxygen
atomic/Mass number/Z: 18
number of protons/p+: 8
numbers of neutrons/A: 10
numbers of electrons/e-: 8
symbol of element/#: O
5. silver
atomic/Mass number/Z: 108
number of protons/p+: 47
numbers of neutrons/A: 61
numbers of electrons/e-:47
symbol of element/#:Ag
atomic/Mass number/Z:
numbers of neutrons/A:
numbers of electrons/e-:
symbol of element: