What are the answer choices sir or maam
Atomic mass= 28
Atomic number= 13
This implies,
No. of neutrons= 28-13= 15
HOPE IT HELPS
1. Mixture--Lettuce AND tomato
2. Mixture-- Air consists of many different elements and gasses
3. Pure-- You aren't changing the substance of wood by shaving it, but if you were thinking from a makeup level it would be a mixture to begin with
4.Mixture-- There is more than just water in pond water...bacteria and such.
5. Not sure--I might say pure but I don't know for sure
6. Mixture-- Sugar AND water
No there shouldn't be a comma before the"or"