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Which subatomic particle that is neutral?
Neutron
How many electrons does an element have, if its atomic number is 20?
20
What indicates the number of protons and the neutron in an element?
Mass number
what is the number of neutron in Chlorine?
18
What is the number of electron in Titanium?
18
which subatomic particle is the lightest?
electron
The atomic number is the same as the number of ____ and _____
proton and neutron
If the atomic mass of Nitrogen is 11 and the neutron is 6, How many electrons are there?
5
