Question

1.Name an atom whose nucleus does not contain neutrons.

2.An atom has 9 protons,9electrons and 10 neutrons.what is the symbolof the element.

Answer 1

Hydrogen atom have no neutron
F means flourine

Answer 2

Hello friend!!!

Here's your answer

a) Hydrogen is the element that has only one electron and one proton in its atom.
It doesn't contain any neutron

b) Atom has 9 protons
means the atomic number is 9
Fluorine is the element whose atomic number is 9.

HOPE THAT HELPS..... ☺️