Elements and states
Most are solid. A few are not.
118 elements
There are 118 known elements. At room temperature they are in different states.
Which state do most elements have?
What this lesson covers
The idea
Of the 118 known elements most are solids; eleven are gases at room temperature, all non-metals; only mercury (a metal) and bromine (a non-metal) are liquids; gallium and caesium melt at about 30 °C.
118 elements
There are 118 known elements. At room temperature they are in different states.
Which state do most elements have?
- Solid
- Gas
- Liquid
Count by state
Open each tab.
States at room temperature
Of 118 known elements, most are solids.
Of 118 elements, most are solids. Eleven are gases (all non-metals). Only mercury (metal) and bromine (non-metal) are liquids. Gallium and caesium melt at about 30 °C.
Notes
118 elements: most solid, 11 gases, 2 liquids (mercury and bromine).
Check yourself
How many elements are gases at room temperature?
Answer: 11
Eleven elements are gases at room temperature.
Which element is a liquid metal at room temperature?
Which element is a liquid non-metal at room temperature?
118 elements: 11 are gases and 2 are liquids at room temperature. How many are solids?
Answer: 105
118 − 11 − 2 = 105 solids.
- Mercury — correct. Yes!
- Bromine. Bromine is a liquid, but it is a non-metal.
- Gold. Gold is a solid.
- Mercury. Mercury is a liquid metal.
- Bromine — correct. Yes!
- Oxygen. Oxygen is a gas.