The Answer is A Building Blocks
What do you mean do you need hekp?
Answer:
Element and compounds are the pure substances but mixture is not a pure substance.
Explanation:
Element and compounds are the pure substances in which element comprise of only one atom while compound is formed by the chemical combination of more than one element in a fixed ratio by mass while mixture is also made up of more that one substances but they are combine physically not chemically. Elements, compounds, mixtures are very important because all the materials we used in our daily life are formed from elements, compounds and mixtures.
Answer:
1
Explanation:
N2 + 3H2 → 2NH3
From the above equation,
There are 2 atoms of N on both side of equation and also, there are a total of 6 atoms of H on both side of the equation. Therefore, the equation is balanced.
The coefficient of N2 is 1