Answer:
Temp.
Explanation:
Pure elements:
Hydrogen(H)
Nitrogen(N)
Magnesium (Mg)
Pure Compounds:
Oxygen gas(O2)
Water (H2O)
Ammonia (NH3)
Hope it helps.Please mark me brainliest.^-^
Answer: C
Explanation: Hope this help :D
Yeah
Mhm