what is elements? how is it useful for us ?
Answers
Before all the naturally-occurring elements were discovered, the periodic table was used to predict the chemical and physical properties of elements in the gaps on the table. ... The table is useful for modern students and scientists because it helps predict the types of chemical reactions that are likely for an element
An element is a substance whose atoms all have the same number of protons. Elements are chemically the simplest substances and hence cannot be broken down using chemical reactions.
Living organisms contain relatively large amounts of oxygen, carbon, hydrogen, nitrogen, and sulfur along with sodium, magnesium, potassium, calcium, chlorine, and phosphorus.
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