it is used to make explosions. when exposed to oxygen, it goes ka-boom.
Pure.
It is a pure substance as well as a compound
This is pure sodium chloride (without additives) used for aquariums.
Sodium (Na) is a pure substance, listed on the Periodic Table. Table salt however, is Sodium Chloride (NaCl), which is not a pure substance
how is this possible when pure sodium and chlorine are so dangerous
Sodium is an ELEMENT, a pure substance. As a pure substance there is nothing else with it.
Sodium chloride is a compound, not a mixture; after refining NaCl become very pure.
Evaporating the water sodium chloride is obtained.
This is sodium chloride, coarse, not very pure - used as food for animals.
Sodium is an element (Na)
Sodium is a pure substance because it is an element and can not be broken down into anything else
Sodium is a pure substance because it is an element and can not be broken down into anything else