RECALL - Classroom Observstion

______________ is the smallest particle of matter?

• element

• mixture

• atom

• mixture

The subatomic particle of atom that carries positive (+) charge.

• neutron

• proton

• electron

• nucleus

The subatomic particle of atom that carries negative (-) charge

• electron

• proton

• neutron

• nucleus

 The subatomic particle of atom that does not carry any charge or said to be neutral.

• nucleus

• proton

• electron

• neutron

Who is the proponent of the "Plum Pudding Model" of an atom?

• Neil Bohr

• John Dalton

• Ernest Rutherford

• Joseph John Thomson