99.9 percentage of the mass of an atom is concentrated in the nucleus
51) What percentage of the mass of an atom is concentrated in the nucleus?
Answer is:
0.999
Explanation:
Related Atoms and Nuclei MCQ with Answers
Answer is:
atomic mass units (u)
Explanation:
in atomic mass units (u) units is mass measured on the atomic scale
Answer is:
1/12th?of the mass of the carbon (12C) atom.
Explanation:
One unified atomic mass unit is approximately the mass of one nucleon (either a single proton or neutron) and is numerically equivalent to 1 g/mol. It is defined as one twelfth of the mass of an unbound neutral atom of carbon-12 in its nuclear and electronic ground state
Answer is:
a proton, an electron and an antineutrino
Explanation:
A free neutron decays into a proton, an electron and an antineutrino
Answer is:
A = Z + N
Explanation:
A = Z + N is Relation between atomic number (Z), neutron number (N) and mass number (A)