Answers

  • Brainly User
2014-11-20T21:09:24+05:30
To write a chemical formula ::: you must use this steps.. ★ The valencies or charges on the ion must balance. ★★. When a compound consists of a metal and non metal the name or symbol of the metal should be written first. ★★★. In compounds formed with polyatomic ions ,, the ions is enclosed inna bracket before writing the number to indicate the ratio.
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