Exam 1: CHEM 120 CHEM120

Exam 1: CHEM 120 / CHEM120

(Latest 2025 / 2026) Intro to General, Organic & Biological Chemistry with Lab | Questions and Verified Answers | Grade A | 100% Correct - Chamberlain

Question:

Which of the below contains a polar bond? Select all that apply.

• N 2
• NBr 3
• O 4 F 3
• MgBr 2
• Na 2 O

Answer:

only b and c. d and e are both IONIC bonds, and a is a nonpolar bond.

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Question:

Refers to the energy need to remove an electron from an atom of a given element. As we move from the lower left to the upper right, ionization energy increases.

Answer:

Ionization energy

Question:

Which would have the greater Ionization energy Fr and Br

Answer:

Br

Question:

Which would have the greater Ionization energy O and Pb

Answer:

O

Question:

Which would have the greater Ionization energy F and P

Answer:

F 2 / 3

Question:

For electron configuration the number in front tells us that the electron is residing where?

Answer:

Shell / Principle energy level (corresponds with the rows of the periodic table)

Question:

For electron configuration the letter tells us that the electron is residing where?

Answer:

Sublevel or subshell (s holds 2, P holds 6, d holds 10, f holds 14)

Question:

Anything not bound to itself with 2 different elements

Answer:

Non polar

Question:

Anything bound to itself is

Answer:

Non polar

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