4. Atoms and Elements

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

How many electrons does a neutral carbon atom have?

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

How many protons are in an atom of tin (Sn)?

Which element has $74$ protons in its nucleus?

How many protons are in an atom of bromine (Br)?

In a simplified model of the atom, where are the electrons located?

Which set of subatomic particles makes up a typical atom?

Which set correctly lists the three main subatomic particles in an atom?

In the simplified model of subatomic particles, the positively charged particle in an atom is the:

In a simplified model of the atom, which subatomic particle has a positive charge?

What is the electrical charge of a proton?

How many protons are in an atom of krypton (Kr)?

What kind of electric charge does a proton have?

How many protons does an atom of bromine have?