Answer:
Reduction
Explanation:
Gaining electrons means reduction. When the electrons are on the reactant side of the reaction, they are added to the other reactant. This indicates that the Sn^4+ is gaining electrons and is therefore reduced (reduction).
The answer 1) Oxygen. And another smallest radius is fluorine, because it is the first in the periodic table.
There’s only one measurement the question doesn’t make sense
The mass numbers for two isotopes are unequal because they have different numbers of NEUTRONS.
Answer:
Explanation:
exothermic reactions are the reactions which involve the release of energy.
the energy released can be of any forms ,for example heat,light .
all the combustion reactions are exothermic reactions