P3 Unit 9 & 10 Regents Questions

Which organic prefix is matched with the number of carbon atoms that it represents?

• hept-, 7

• non-, 8

• pent-, 3

• prop-, 4

Which terms represent two types of organic reactions?

• sublimation and deposition

• sublimation and fermentation

• saponification and deposition

• saponification and fermentation

Given the organic functional group in the image,

Which class of organic compounds has molecules with this functional group?

• aldehydes

• esters

• ketons

• organic acids

Based on Table N, uranium-238 and uranium-235 have different

• decay modes

• half-lives

• number of protons

• number of electrons

A change in the nucleus of an atom that converts the atom from one element to another element is called

• oxidation-reduction

• single replacement

• substitution

• transmuation

Which radioactive emission has the greatest penetration power, but the least ionizing power?

• alpha particle

• beta particle

• gamma ray

• positron

Which statement describes a benefit of using fission reactions?

• Radioactive waste must be stored for long periods of time

• Nuclear fuel consists of stable isotopes

• Gamma radiation is produced

• Large amounts of energy are produced per mole of reactant.

Given the formula of a compound in the picture. What is the molecular formula for this compound?

• CH

• CH₂

• CH₃

• C₃H₆

Answer explanation

The molecular formula is the real one. If they asked for EMPIRICAL, then you would reduce it.

Given the formula for a compound in the image. What is a chemical name for the compound?

• 1-butanamine

• 1-butanol

• butanamide

• butanoic acid

Which emission causes the atomic number of a nuclide to decrease by 2 and its mass number to decrease by 4?

• an alpha particle

• a beta particle

• gamma radiation

• a positron