csheng91611 csheng91611

04-03-2018
Chemistry

contestada

All substances are composed of which type of matter?
a. ions
b. mixtures
c. elements
d. molecules

Respuesta :

Dejanras Dejanras

13-03-2018

Answer is: all substances are composed of c. elements.
Elements are constitute of all of the ordinary matter of the universe. There are 118 chemical elements. Chemical element is a species of atoms having the same number of protons (atomic number) in their atomic nuclei. For example, water is made from elements oxygen and hydrogen.

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