Answer:
Extensive is the answer of this question?
Answer:
C.
Explanation:
Gas molecules are diatomic which means it usually comes in 2.
So, H2(g)+O2(g) is H2O (l)
The first one is OH(hydroxide, not water)
Second one is not gas(not diatomic)
Answer is C.
<span>In the lower left corner of the Periodic table are elements of the Group 1 and they are called Alkali metals. The Alkali metals are highly reactive elements that readily lose their outmost electron to form cations with charge +1. The elements are: rubidium ( Rb ), caesium ( Cs ) and francium ( Fr ). Answer : 1 ) Metals
Hope this helps. Let me know if you need additional help!</span>
Sodium chlorate decomposes into sodium chloride and oxygen.
The reaction is
NaClO3 --Δ--> NaCl + O2
The Δ means that heat is used
This equation is still not balanced.
Balancing the equation
2NaClO3 --Δ--> 2NaCl + 3O2
The equation is now balanced.
Answer:
I think #3 might be the answer .
Because in #1 atomic mass tells mass .
#4 Atomic number doesnot only tell about the electrons atom has
