1. we used to represent an element.
a. chemical formula
b. symbol
2. the chemical...
![subject](/tpl/images/cats/himiya.png)
Chemistry, 04.11.2021 05:40 Galaxystyx
1. we used to represent an element.
a. chemical formula
b. symbol
2. the chemical formula of a molecule shows the.
a. number of atoms contained in the molecule.
b. chemical properties of the molecule.
c. number and kind of atoms contained in the molecule.
3. which of the following is an atom.
a. K
b. CO
c. H2O
d. HI
4. which of the following is a molecule.
a. He
b. N
c. Ar
d. CO
![ansver](/tpl/images/cats/User.png)
Answers: 3
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