4. Atoms and Elements

Which subatomic particle is the positively charged part of an atom?

How many protons are in a tungsten atom (W)?

Which element has 18 protons in its nucleus?

In a neutral atom, how do neutrons affect the atom’s overall electric charge?

In a typical atom, which subatomic particle has the least mass?

In a simplified atomic model, where is a neutron located in an atom?

In the simplified model of subatomic particles, what is the relative charge of a proton?

How many protons are in an atom of cobalt (Co)?

In a simplified model of the atom, which subatomic particles account for most of the atom's mass?

In the simplified model of subatomic particles, what type of electric charge does a proton have?

In a simplified model of the atom, where is most of the atom’s mass located?

Which neutral atom has 6 electrons?

In simplified relative-mass terms, what is the relative mass of an electron compared to a proton (proton $=1$)?

In a simplified model of atomic stability, which subatomic particles do not significantly affect the stability of the atom’s nucleus?

In a simplified model of subatomic particles, what electric charge does a proton have?