Answer:
a formula giving the proportions of the elements present in a compound but not the actual numbers or arrangement of atoms.
Explanation:
We can't use the nitrogen present in the atmosphere although 80% of the atmosphere consists of nitrogen only.We get this from the plants called as leguminous plants which can convert or fix atmospheric nitrogen into usable ones..
Answer:
True
Explanation:
When a base is dissolved in water, the balance between hydrogen ions and hydroxide ions shifts the opposite way. Because the base "soaks up" hydrogen ions, the result is a solution with more hydroxide ions than hydrogen ions. This kind of solution is alkaline.
Answer:
B. potential energy
Explanation:
Potential energy ( Mechanical in this case ) is energy stored by force. so If you are compressing a spring you are increasing more potential to it by force.
Hi There!
Question - Write the net ionic equation for the reaction of sodium phosphate with iron (III) chloride. Include the complete ionic equation and label the spectator ions. Also be sure to label the reactants as products as solid, liquid, gas, or aqueous solutions
Answer: 
P.S. The + and - are in parentheses because they are below the number.
Hope This Helps :)