Chemistry Regents Reference Tables: Part 2 Insights

This video is a comprehensive review of chemistry regents topics, focusing on reference tables N through T. It covers questions related to half-life and decay modes, provides an overview of organic chemistry tables, and explores the periodic table and element properties. The video also includes problem-solving using Reference Table T, with a focus on titration and percent error calculations. Additional resources and materials are available on the instructor's website.

What is the name of the website where additional review materials can be found?

• NY Chem Coach

• Regents Chemistry Review Help

• Pet Plus Human

• Chemistry Regents Guide

Which radioisotope requires long-term storage due to its long half-life?

• Francium-220

• Plutonium-239

• Iron-53

• Phosphorus-32

How long does it take for a sample of cesium-137 to decay to 1/8 of its original mass?

• 30.2 years

• 60.4 years

• 90.6 years

• 120.8 years

Which functional group contains a nitrogen and an oxygen atom?

• Aldehyde

• Ester

• Amide

• Amine

Which electron configuration represents an atom of chlorine in the excited state?

• 2-8-7-2

• 2-7-8

• 2-8-7

• 2-8-8

How many electrons are in the second shell of a nitrogen-14 atom in the ground state?

• 2

• 5

• 7

• 14

Which element in Group 14, Period 3 is classified as a metalloid?

• Tin

• Germanium

• Silicon

• Carbon

Which element has chemical properties most similar to potassium?

• Nitrogen

• Cesium

• Sulfur

• Calcium

What is the percent error if a measured atomic radius of platinum is 143 picometers and the accepted value is 130 picometers?

• 10%

• 5%

• 20%

• 15%

What is the concentration of a KOH solution if 10 mL of 0.075 M HCl is neutralized by 30 mL of the KOH solution?

• 0.100 M

• 0.075 M

• 0.025 M

• 0.050 M