Respuesta :
Answer:
A) a pure substance
Explanation:
Everything in the universe is made from elements. An element has unique number of protons and electrons. Due to the number of neutrons present in the nucleus, an element can be either stable or radioactive. In other words we can say an element has one type of atoms. C,H,O,N and P can be taken as examples for elements.
Hope this helps! Have a great day!
Answer:
uhh i learned thisin like 6th grade, its A.)
Explanation:
<3 i did not look at the other persons answer i swear U-U
