Symbols
Atomic Numbers
Element Families
Common Uses
Basic Properties
100

This element has the symbol K.

Potassium

100

This element has atomic number 3.

Lithium

100

These elements are found in Group 2.

Alkaline earth metals

100

This element is used in bones and teeth.

Calcium

100

Metals are typically this in conductivity.

Good conductors

200

This element has the symbol Ca.

Calcium

200

This element has atomic number 7.

Nitrogen

200

These elements are very reactive nonmetals in Group 17.

Halogens

200

This element is used in wiring due to conductivity.

Copper

200

Nonmetals are typically this in conductivity.

Poor conductors

300

This element has the symbol Pb.

Lead

300

This element has atomic number 11.

Sodium

300

These elements are inert gases in Group 18.

Noble gases

300

This element is used in batteries and has symbol Li.

Lithium

300

This state of matter has a definite shape and volume.

Solid

400

This element has the symbol Sn.

Tin

400

This element has atomic number 12

Magnesium

400

These elements include iron, cobalt, and nickel.

Transition metals


400

This element is used in thermometers (traditionally).

Mercury

400

This property describes how easily a metal can be shaped.

Malleability

500

This element has the symbol Hg.

Mercury

500

This element has atomic number 17.

Chlorine

500

These elements lie along the zigzag line of the table.

Metalloids

500

This element is used in fertilizers and has symbol N.

Nitrogen

500

This property describes a metal’s ability to be drawn into wires.

Ductility