Atoms, Elements, and the Periodic Table

Matter made up of only one kind of atom

• Atomic number

• Elements

• Isotopes

The top number in the element's periodic table box

• Atomic number

• Atomic mass

• Mass number

Atoms of the same element that have different number of neutrons

• Element

• Atomic mass unit

• Isotopes

Number of protons plus number of neutrons

• Mass number

• Atomic number

The number found below the element symbol

• Atomic mass

• Atomic number

The unit used for atomic mass

• Atomic mass unit

• Atomic number unit

Majority of the elements on the periodic table

• Nonmetal

• Metals

• Metalloids

Identify the characteristics of metals

• Shiny luster

• Good conductors of heat and electricity

• Malleable

• All of above

All metals a solids at room temperature.

• True

• False

Can be drawn into wires without breaking

• Ductile

• Malleable