3steps from the big bang
11things can go into it
chlorine gas
MaterialSubstance
Made by passing electricity through salty water. In 1915 it became the first poison gas used in war.
First appeared1774 (252 yrs ago)
Made Of
Everything is made of something.← What it takes
What it leads to →
Goes into
Made by passing electricity through salty water. In 1915 it became the first poison gas used in war.
From the big bang to chlorine gas
The most direct chain from the start of the universe, following what things are made from and, for living things, what they evolved from. Each step shows when it first appeared.
big bang13.8 bn yrs ago
Hhydrogen13.8 bn yrs ago
water4.4 bn yrs ago
chlorine gas1774