An atom consists of three subatomic particles.
In the middle of atom it consists of nucleus which have two subatomic particles. They are protons and neutrons.
And there is a subatomic particle that is found orbiting around the nucleus in an atom, name of that subatomic particle is electron.
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It’s a polyatomic and it has a negative charge. It’s located in the nucleus of the atom, along with the protons.
Answer:
A
Explanation:
Argon has 17 protons and 18 neutron
atomic number is the same as the protons number.
Answer:
Explanation:
E = (hc)/(λ)
E = (6.624x10^(-27))Js x ((3×10^8)ms^(-1)) /
(77.8x10^(-9)m)
E = 2.55 x 10^(-11) J
