<span>Activation energy for a particular chemical reaction is
</span><span>a. the energy that must be added to get a reaction started, which is recovered as the reaction proceeds
b. changed by the enzyme that catalyzes the reaction
A and B are correct, so to answer you have to choose
</span><span>e. more than one of the available answers is correct</span>
It is c because there are many decades today.
Answer:
Lead atoms have 82 electrons and the shell structure is 2.8. 18.32. 18.4.
Explanation:
The ground state electron configuration of ground state gaseous neutral lead is [Xe].
Answer:
B
Explanation:
four electron in atom in cal
