what is the link between elecrtons and group number

number of electrons on the outermost shell is the group No.

the electrons altogether make the group number

the smallest unit of an element which has a nucleus

the smallest element with nucleus

an isotope is the same elemnt with the same number of of protons and electrons but a different number of neutrons

the ram is the average mass of a atom compared to half mass of a carbon atom. 12 atom

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chemistry

izzybrown1999 5 questions

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1what is the link between elecrtons and group number
1. Anumber of electrons on the outermost shell is the group No.
2. Bthe electrons altogether make the group number
2what is an atom
1. Athe smallest element with nucleus
2. Bthe smallest unit of an element which has a nucleus
3what is an isotopes
1. Aan isotope is the same elemnt with the same number of of protons and electrons but a different number of neutrons
2. B hjk
4how can you tell the isotopes apart
1. Amass number
2. Bgjh
5what is the ram
1. Athe ram is the average mass of a atom compared to half mass of a carbon atom. 12 atom
2. Bthe average mass of an atom