Hydrogen

Hydrogen is a gas

• True

• False

Hydrogen gas is diatomic

• True

• False

Hydrogen forms

• H+ ions

• H- ions

Hydrogen is atomic number 1 with a mass number of 1. It has

• 1 neutron

• 2 neutrons

• 0 neutrons

• -1 neutrons

Tags

NGSS.HS-PS1-8

Hydrogen gas has the molecular formula

• H

• H₂

• H - 1

• H - 2

Tags

NGSS.MS-PS1-1

Hydrogen gas is used in margarine

• True

• False

Hydrogen may be used in cooking

• True

• False

Some trains and buses run on hydrogen gas

• True

• False

Hydrogen is not the lightest element known

• True

• False

The mas of a hydrogen molecule is

• 1

• 2

• 0

• 1 or 2