Period 3 and group IA
Because the periods are the vertical columns and the groups are the horizontal ones. The element with the atomic number 11 is sodium.
Answer:
1. chairperson
2. postal carrier or letter carrier
3. monarch or sovereign
Explanation:
In this passage, the number devil is explaining numbers. We know this because of the descriptions that he provides. The number devil states that numbers are "simple." He also states that they do not need to be proven with a calculator.
Answer:
A)
Explanation:
( A)Next year ......English and the biology.