- An element is a substance that originates from the earth in a basic form and becomes a new substance by chemical processing with another substance. Like water is a combination of two elements, oxygen and hydrogen. A total of 114 elements have been discovered on Earth. Researchers are looking for new elements.
- Has the most hydrogen in the universe. Earth's atmosphere contains the most nitrogen and the most iron in the earth's crust.
- Mercury and bromine These two elements remain liquid at normal temperatures.
- The lightest element is hydrogen. One cubic centimeter weighs 0.00008 grams.
- The lowest element in the universe is radon, a radioactive gas.
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