CLEP Chemistry Readiness Test

10 questions, balanced across the exam's topics. Answer each one, then submit for your practice readiness estimate and per-topic breakdown. This is a practice estimate — not a prediction or guarantee of your official exam result.

Question 1

Why is Cl− larger than neutral Cl under comparable radius conventions?

Question 2

Liquid water forms crystalline ice. What phase change occurs?

Question 3

An isotope has atomic number 19 and mass number 39. How many neutrons are in its nucleus?

Question 4

At which electrode do metal atoms release electrons to become cations?

Question 5

Which term best matches this description? Added occupied shells generally increase neutral-atom size down a main group.

Question 6

For N2 + 3H2 → 2NH3, nitrogen is in excess. If 60 mol H2 react completely, how many moles NH3 form?

Question 7

What integer label counts all nucleons in carbon-14?

Question 8

Two standard REDUCTION potentials are E(cathode) = 33/50 V and E(anode) = -9/25 V. What is Ecell for the stated cathode/anode roles?

Question 9

Which term best matches this description? SiO2 commonly forms a network solid rather than isolated SiO2 molecules in quartz.

Question 10

For N2 + 3H2 → 2NH3, nitrogen is in excess. If 21 mol H2 react completely, how many moles NH3 form?

Unanswered questions count as incorrect. Your answers are graded on the server; no answer key is sent to your browser.

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