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evablogger [386]
3 years ago
8

I need help with that

Biology
2 answers:
crimeas [40]3 years ago
5 0
3H2O is the correct answer
goldenfox [79]3 years ago
4 0

Answer:

D. 3H2O

Explanation:

An atom is the smallest unit of matter that has the characteristics of a chemical element. It consists of protons, neutrons, and electrons - small electrically charged particles.

They make up molecules - electrically neutral groups of two or more atoms connected by chemical bonds. Multiple molecules that consist of two or more different atoms make up a chemical compound.

The chemical compound that has nine atoms is 3H2O. Here, we have three molecules of water. Each molecule consists of three atoms - two hydrogen atoms and one oxygen atom. This means that three of these molecules have a total of nine atoms.

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