Questions and Answers
electron volt (eV)
Ans- Very small amount
Nucleus
Ans- Contains most of the mass of atoms (neutrons and protons)
Electron cloud
Ans- Electrons surround cloud
Electron
Ans- 0 charge
,Neutron
Ans- -1 charge
Proton
Ans- +1 charge
Nucleons
Ans- protons and neutrons in the nucleus
Nuclide
Ans- Generic term for a combination of nucleons (protons and neutrons)
Atomic (proton #)
Ans- Z
mass number
Ans- A
, Neutron number
Ans- N
Isotopes
Ans- Same Z (proton #)
Isobars
Ans- Same A (mass #)
Isotones
Ans- Same N (neutron #)
Isomers
Ans- Same Z, A, N, and differ only in energy level
stable nuclide