Physical Science Periodic Review

The smallest particle of an element...

• Atom

• Proton

• Neutron

_____________ named the atom first.

• Democritus

• Sir Isaac Newton

• Bill Nye

___________ developed the first periodic table of elements.

• Sir Isaac Newton

• Mendeleev

• Einstein

Electrons have ___________ charge.

• Positive

• Negative

• Neutral

Neutrons have ___________ charge.

• Positive

• Negative

• Neutral

Protons have ___________ charge.

• Positive

• Negative

• Neutral

Atoms of the same element with the same number of neutrons...

• Electron

• Isotope

• Proton

Tells the number of protons in an element.

• Atomic Number

• Symbol

• Isotope

Protons and neutrons make...

• Nucleus

• a mess

• Isotope

What is the symbol for the element Oxygen?

• Ox

• On

• O