The answer is one dot.
The number of dots an element has represented in the diagram, indicates how many valence eletrons( which is the number of electrons in the most exterior energy level of an atom or ion) the element has. So, 1 valence eletron equals one dot.
Ionic reaction when a metal and non metal are together a molecule is when a metal abs metal react hope this helps
Answer:
They all have: nitrogen :780,900 755,100
oxygen: 209,500 231,500
argon 9,300 12,800
carbon dioxide
386 591
They bond because they want to make their outer electron shells more stable
Hope this helps
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