Which of the following functions determines the shape of orbitals?

• radial function`
• spherical function
• angular function
• cylindrical function

How many degenerates orbitals are there in the 5g subshell?

• 3
• 5
• 7
• 9

Which of the following subshells of hydrogen is equal in energy with 3d?

• 4d
• 2p
• 3s
• 4f

Which of the following pairs of subshells of many-electron atoms is correctly compared in terms of their energy states?

• 2p>3s
• 4s>1s
• 4d<3p
• 2s=2p

Zin (Z=30)

• diagmanetic
• paramagnetic
• neomagnetic
• both diamagnetic and neomagnetic

Potassium (Z=19)

• diagmanetic
• paramagnetic
• neomagnetic
• both diamagnetic and neomagnetic

Einsteinium has the electron configuration [Rn] 7s^2 5f^11. How many unpaired electrons are there in this element?

• 1
• 3
• 5
• 7

Hassium has the electron configuration [Rn] 7s^2 5f^14 6d^6. How many unpaired electrons are there in this element?

• 0
• 2
• 4
• 5

Which of the following scientist formulated the octet rule?

• Gilbert Newton Lewis
• Gilbert Thomson Lewis
• Ernest Rutherford
• David Rutherford

Which of the following groups obeys the octet rule by donating electrons?

• Group 2
• Group 16
• Group 17
• Group 18