What is credited with modern structure of the periodic table

Question

Questions:

Number of orbitals in a d subshell, pressure, and chemical formula

Please help with the following questions.

Question 1

The formula CH₃CH₂CH₂=CH₂ represents
an alkene
an alkyne
an alcohol
benzene

Question 2

The number of orbitals in a d subshell is:
1
2
3
5
7

Question 3

_____ is credited with the modern structure of the periodic table.
Dalton
Boyle
Mendeleev
Heisenberg

Question 4

0.500 mol of ammonia (NH3) occupies a 1.2 L flask at 150 degrees C. Calculate the pressure of ammonia.
6.91 - 10-2 atm
5.13 atm
12.2 atm
14.5 atm
22.4 atm

Question 5

60mL of 0.2M acetic acid needs to be prepared. 4M acetic acid is available. How much of the 4M acid is needed to prepare the solution?
4mL
48mL
75mL
1.2L