16-18= -2 so it has a negative charge. Just subtract the electrons from the protons if you get a positive number it will have a positive charge and vice versa.
Answer:
a star shines due to thermonuclear fusion
Explanation:
2.5X20=50g
50g should be the right answer
Mass=volumeXdenisty.
The answer is B particles combine into a large amount of engery.
Answer:
It's compound? It's chemical compound would be represented my letters or numbers
