Periodic Table and Atoms

The smallest part of an element

• molecule

• atom

• compound

• solution

Each vertical column in the periodic table is called a 

• group

• period

• series

• unit

charge of a proton

• positive +

• negative -

• no charge (neutral)

charge of a electron

• positive +

• negative -

• no charge (neutral)

the heavy center of an atom

• proton

• electron

• neutron

• nucleus

what two particles are found in the nucleus?

• proton & neutron

• neutron & electron

• proton & electron

• all three particles

the smallest particle, orbits the outside of the atom

• proton

• electron

• neutron

• nucleus

the basic unit of matter

• atom

• nucleus

• proton

• molecule

The Periodic Table organizes elements by

• atomic number

• atomic mass

• atomic density

• electron configuration

What is the atomic number of Carbon?

• 6

• 12.011

• C

• Carbon