Hi there, the correct answer to this would be reactivity because color, melting point, and density are all examples of physical properties.
Answer:
A and C
Explanation:
The term formula unit is use to indicate Simple-Whole Ratios of ions in a compound. KEY WORD! RATIO!
Answer:
a. because it is an element
Explanation:
its pure because it only has one type of atom, making it an element
I think its A. it cant be C or D b/c we are measuring the distance between Earth and Saturn, not the speed.