Answer:
The percent composition of a component in a compound is the percent of the total mass of the compound that is due to that component. To calculate the percent composition of a component in a compound: Find the molar mass of the compound by adding up the masses of each atom.
You need to look at the electronegativity and decide wheter the difference of both of the numbers are significant enough to form a polar bond
answer:
i am pretty sure you use cross charges for this.
so i think it is the third choice.
Answer:
The answer is B. A hydrogen atom forms a convalent bond.........