Answer:
C. Copper (II) nitrate
Explanation:
It's an inorganic compound that forms a blue crystalline solid
The halogens and noble gases are alike because they are all non-metallic elements, with the exception of astatine, a radioactive
Answer:
Fe + O2 + H₂O___ Fe2O3 + H₂O.
6Fe+302+H2O______2fe 203+H2O
Answer:
Excited state
Explanation:
Excited state is the name of the state when electrons absorb energy and move to a higher energy level.
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28) All elements are made of atoms
29)Protons and Neutrons
-Electrons make up the outside of the Nucleus