<h2>
Answer:</h2>
<h3>Hg2 ( NO2 )2</h3>
<h2>Explanation:</h2>
<h3>Formula of mercury ( 1 ) dioxonitrate 111 is Hg2 ( NO2 )2//</h3>
Answer:
The figure is a molecule and a compound
Explanation:
Because it have 2 cluster molecules
The atomic number is the number of protons in the nucleus of an atom. The number of protons define the identity of an element.
