The mass number of a nucleus is?
...The mass number of a nucleus is?
Always less than its atomic number
The sum of the number of protons and neutrons present in the nucleus
Always more than the atomic weight
A fraction
Correct answer is B
mass number, is the sum of the numbers of protons and neutrons present in the nucleus of an atom.
Which of the following statements is INCORRECT?...
The graphite rods in the nuclear reactor ...
Consider the reaction represented by the following equation: N2(g) + 3H2(g) ⇌ 2NH3(g); ∆H = - 92...
Which of the following compounds would react rapidly with bromine? ...