# data[].attributes.body
Have the same number of protons but different number of neutrons'

# data[].attributes.body
Every atom have neutrons,protons and electrons

# data[].attributes.body
No. of protons=No. of electrons

# data[].attributes.body
-Electrons(-)
-Nucleus=99%of mass of atoms
-Protons(+)
-Neutrons

# data[].attributes.body
Valence=outer

# data[].attributes.body
Group= periodic table (I,II,III,V,VI,VII,0)

# data[].attributes.body
; an atom that has a net electric charge due to a loss or gain of electrons
(Positive ions =lose electrons )
(Negative ions =gain electrons)