Answer : The correct option for blank 1 is, Forward and Backward direction
.
The correct option for blank 2 is, Reach equilibrium
.
Explanation :
- Reversible reaction : It is a reaction in which two or more reactants react together to give products and these products react with other product to form reactants.
It occurs in both the directions at the same time, forward and backward direction.
- Irreversible reaction : It is a reaction in which reactants react together to give a product but it can not revert back into the reactants.
It occurs in forward direction only.
- Equilibrium reaction : It is a reaction in which the rate of forward reaction is equal to the rate of backward reaction.
- Completion reaction : It is a reaction in which the reactants react together to give products. when the reaction goes to completion theta means all the reactants are used up and you have only products in the reaction.
- Lithium is very highly reactive
- Chlorine is very highly reactive
- Argon is unreactive.
<h3>What is the chemical reactivity?</h3>
The periodic table sort of makes it possible for us to be able to obtain the reactivity of the elements that are found in the periodic table. This is because, the reactivity of the elements that are in the periodic table generally depends on the group where the element is found in the table.
Lithium and chlorine are highly reactive because they are found in the first and the seventeenth groups of the periodic table which are known for the fact that they are very highly reactive.
Argon is found in group 18 thus it is not a highly reactive element.
Learn more about periodic table:brainly.com/question/11155928
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Magnesium, because it is responsible for more than 300 biochemical reactions and because it’s a solid.