How many neutrons does Argon have?
22
How does an ion form?
It gains or loses electrons
How many electrons does Carbon have?
6
If the Bohr model not accurate, why do scientists use it?
to predict the chemical properites of elements; to know if they are stable or unstable (need to bond)
Which element has more protons, helium or carbon?
carbon
What is the smallest subatomic particle?
neutron
How many electrons can the first shell have?
2
What is an isotope?
atom with the same number of protons but different number of neutrons
What happens if, the number of protons change?
the element changes