Answer: D. Made of only one kind of atom
Explanation:A compound forms whenever two or more atoms form chemical bonds with each other.
Physical property of matter because you don't have to change its chemical make-up to tell, you can observe it using your senses and tools.
1: Decomposition reaction
2: Combination reaction
3: product
4: Reactant
The answer choice is going to be B.
Answer:
Noble Gases are very stable because...
1) Noble Gases have a full octet
2) Low chemical reactivity
Explanation:
This means that is has 8 valence electrons so it won't need any more, so it is less likely to react with other substances.
