Question

False or true :

1) electrons are negatively charged and have the smallest mass of the three subatomic particles.

2)The nucleus contains most of the mass of an Atom and is positively charged.

3) all atoms of the same element contain the same number of protons.

4)phosphorus and bismuth are expected to have similar chemical properties .

5) according to the bohr model of the atom, an electron releases energy when it jumps from the n=2 orbit to n=4 orbit.

6) according to the bohr model of the atom,the farther away an orbit is from the nucleus, the higher the energy of this orbit.