Answer:
yes
Explanation:
to identify an atom you need to know either it's atomic number or it's proton number
while the neutron is used to determine it's atomic mass
Answer:
C.
two in the reactants and two in the products
Explanation:
The law of conservation of mass helps us balance chemical equations so that there are the same number and type of atoms in the reactants and products.
There are two nitrate ions in Ba(NO3)2 and two in 2LiNO3.
Answer:
The answer is D
Explanation:
All the other options are associated with chemical change
Answer:
hydrogen
Explanation:
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