A boat being accelerated by the engine
Bringing water to the boil in an electric kettle
Answer: 7
Explanation: oxygen has 5 atoms and nitrogen has 2. Put them together and you get 7
The correct answer to
the question that is stated above is letter c, <span> the outer electron shell.</span>
Valence electrons occur<span> in the outermost shells of an </span>atom.
>> <span>Valence electrons are </span>electrons<span> that are associated with an </span>atom<span>, and that can participate in the formation of a </span>chemical bond.
9
Explanation:
cause 2 + 2 is equal to 9