3 Periodic Table

Which of the following statements about Periodic table is correct?

Given an element with electronic arrangement: 2,8,18,7. What is the group number?

Given that an element with electronic arrangement is 2,8,18,8,4. What is the period number?

Which of the following elements belongs to group II?

What group and period does this element belong in? *

Phosphorus has an electronic arrangement 2,8,5 and it belongs to group V. Which of the following statements does not clearly explain the reason?

Look at the periodic table. Which element is in group 2, period 6?

An element X is located in Period 3 and Group IV of the Periodic table. What is its atomic number?

Using the Blank Periodic Table:

Which elements would have similar chemical properties as element A?