Question 1

Which of the following is the correct electron configuration (using noble gas notation) for neutral sulfur (S)?

Accepted Answer

$$[Ne] \, 3s^2$ \, 3p^4$

Question 2

What is the correct chemical formula for iron (III) carbonate?

Accepted Answer

$$Fe_2$$($$CO_3)_3$

Question 3

Which of the following best describes the molecular geometry and bond angle of $$SO_2$$?

Accepted Answer

Bent, $$\approx 120^\circ$$

Question 4

What is the correct name for the compound $$Si_3N_4$$?

Accepted Answer

Trisilicon tetranitride

Question 5

Which of the following is the correct Lewis structure and molecular shape for $$PI_3$$?

Accepted Answer

Pyramidal shape, with one lone pair on P and three single bonds to I

Question 6

What is the correct chemical formula for dinitrogen trisulfide?

Accepted Answer

$$N_2S_3$$

Question 7

Which of the following is the correct electron configuration (noble gas notation) for platinum (Pt)?

Accepted Answer

$$[Xe] \, 4f$$^{14}$$ \, 5d^9$ \, 6s^1$

Question 8

Which of the following compounds is correctly named as diphosphorus trioxide?

Accepted Answer

$$P_2O_3$$

Question 9

What is the correct formula for copper(I) selenide?

Accepted Answer

$$Cu_2Se$$

Question 10

Which of the following best describes the polarity of $$H_2O$$?

Accepted Answer

Polar molecule due to bent shape and electronegativity difference

Question 11

What is the correct name for $$Ga_2S_3$$?

Accepted Answer

Gallium(III) sulfide

Question 12

Which of the following is the correct chemical formula for dihydrogen monoxide?

Accepted Answer

$$H_2O$$

Question 13

What is the correct electron configuration (noble gas notation) for sodium (Na)?

Accepted Answer

$$[Ne] \, 3s^1$

Question 14

Which of the following is the correct name for $$CoCl_2$$?

Accepted Answer

Cobalt(II) chloride

Question 15

What is the correct formula for nickel(III) carbonate?

Accepted Answer

$$Ni_2$$($$CO_3)_3$

Question 16

Which of the following best describes the molecular geometry and bond angle of $$CO_2$$?

Accepted Answer

Linear, $$180^\circ$$

Question 17

Which of the following is the correct name for $$PBr_3$$?

Accepted Answer

Phosphorus tribromide

Question 18

What is the correct formula for silver phosphate?

Accepted Answer

$$Ag_3PO_4$$

Question 19

Which of the following is the correct name for $$SiS_2$$?

Accepted Answer

Silicon disulfide

Question 20

Which of the following best describes the electron configuration for selenium (Se) using noble gas notation?

Accepted Answer

$$[Ar] \, 4s^2$ \, 3d$$^{10}$$ \, 4p^4$

Atomic Structure, Electron Configuration, Lewis Structures, and Chemical Nomenclature

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