Hydrogen
Neon
Silicon
Gold
200

Uses Of Hydrogen (3)

Heat homes, power vehicles, and generate electricity.

200

Uses Of Neon(2)

Television Tubes, Neon Signs, Lasers.

200

Metal, Nonmetal, or Metalloid?

Metalloid.

200

Metal, Nonmetal, or Mettaloid?

Metal.

400

Hydrogen Characteristics

Non-toxic, highly combustible, colorless.

400

Characteristics 

Second lightest noble gas

Least reactive of all elements.

400

Uses of Silicon (1)

Make Machine Tools, Make Silicones

400

Uses of Gold (2)

Jewelry, and Space Exploration ( Gold plating)

600

Symbol, Atomic Number, and Atomic Weight.

H, 1, 1.00784g ( 1.008)

600

Symbol, Atomic Number, and Weight.

Ne, 10, 20.1797.

600

Atomic Number, Symbol, Weight.

Si, 14, 28.085

600

Number, Symbol, Weight.

79, Au, 196.97

800

Is Hydrogen a metal or nonmetal?

Nonmetal

800

Metal, Nonmetal, or Mettaloid?

Nonmetal.

800

Characteristics of Silicon

Has a metal luster

Same properties as nonmetals and metals

Solid at room temperature.

800

Characteristic of Gold 

Found in a pure form/ Durable to the point of indestructibility.

1000

Who discovered Hydrogen in what year?

Henry Cavendish in 1766.

1000

Who discovered Hydrogen, where?

William Ramsay/Morris Travers.

London.

1000

Who discovered Silicon?

Jons Jacob Berzelis.

1000

Who discovered Gold?

The Ancient Egyptians.