Question

3. Which of the following statement is correct?
Number of protons & number of electrons are equal inside an atom
Protons & electrons stay inside the nucleus of an atom
Neutrons move around the nucleus of an atom
Protons move around the nucleus of an atom

Answer 1

length of all three sides are known. Unlike other triangle area formulae, there is no need to calculate angles or othe length of all three sides are known. Unlike other triangle area formulae, there is no need to calculate angles or othe