Atomic Structure Review

The following are the subatomic particles except for:

• neutrons

• protons

• electrons

• nucleon

The charge of a proton is

• positive

• negative

• neutral

The negatively charged particle is the

• neutron

• electron

• proton

Which subatomic particles have the same mass?

• protons and neutrons

• protons and electrons

• neutrons and electrons

• electrons and nucleus

What is found inside the nucleus of an atom?

• protons and electrons

• neutrons

• protons and neutrons

• electrons and neutrons

Why is the atomic mass of an element a decimal number?

• It is an average of protons and neutrons

• It is the average mass of the isotopes

• It is the average mass of the isotopes and their relative abundance

• It is the average relative abundance

The change in the amount of neutrons in an atom makes it into

• an ion

• an isotope

• a nucleon

• a neutrophil

Look at the periodic table, find the element with 12 protons and 12 electrons.

Write the full name OR the element symbol.

Look at the periodic table, find the element that is neutral with 35 electrons and a mass number of 80.

Write the full name OR the element symbol.

Look at the periodic table, find the element that has an atomic number of 78 and an atomic mass of 195.08.

Write the full name OR the element symbol.