Test Questions from Periods 2 and 6

Honors ChemistryChapter 5 Presentations

Test QuestionsTest QuestionsWhat are the properties of the actinide series?What are the properties of the actinide series?Which four elements from the Actinide Series are found on Earth naturally?Which four elements from the Actinide Series are found on Earth naturally?

Answers!Answers!The most distinctive properties of the Actinide series are being radioactive, high The most distinctive properties of the Actinide series are being radioactive, high velocity, the heavier members being unstable , and not of natural occurrence.velocity, the heavier members being unstable , and not of natural occurrence.Thorium, Protactinium, Uranium, and Neptunium are the only elements found on Thorium, Protactinium, Uranium, and Neptunium are the only elements found on earth naturally.earth naturally.

Test QuestionsTest Questions

1.1. In What group of the periodic table are the In What group of the periodic table are the Alkali metals?Alkali metals?

Answer: Answer: The firstThe first2. Which of the following is an alkali metal?2. Which of the following is an alkali metal?

a. Lithiuma. Lithiumb. Sodiumb. SodiumC. C. bothboth

Questions

• How many elements were known at the time that Mendeleev created the first periodic table?

• Which three elements had been predicted by Mendeleev and were found during his lifetime?– a) Barium, Calcium, and Strontium– b) Gallium, Scandium, and Francium– c) Germanium, Scandium, and Gallium– d) Germanium, Strontium, and Gallium

Test Questions

• What is the most abundant metallic element in the human body?

A. Beryllium B. Potassium C. Calcium D. Magnesium

• What is Magnesium’s primary function? A. To obtain Calcium B. To

harden Bone C. To send neurotransmitters to the Brain. D. To prevent viruses from entering the body.

Answers

• C. Calcium

• A. To obtain Calcium

Test Questions

What did you learn?

• What elements are halogens?

• What is the most reactive element? Most radioactive?

Test Questions• 1. When hydrogen is pure, what state is it

in?a)Liquid c) Solidb)Gas d) Plasma

• 2. Hydrogen is one of the main compounds of what?

a) Water and Organic matterb) Oxygen and Organic matterc) Water and Inorganic matterd) Oxygen and Inorganic matter

???Questions???

• What are the atomic numbers of the elements that are lanthanides?

• What is another possible name for lanthanides?

Answers

1. 58-712. F-Block Elements

Can Noble Gases be used as a guide to write electron configurations? If so, how and why would you use them.

What are most (if all) Noble Gases used for?A. Nuclear FissionB. Nuclear FusionC. Lighting and particle emissions

Questions• What are 3 similar properties that all

actinides share? -All are metals.-They tarnish easily when exposed to air.-Actinides are dense.-In water, they may turn a different color due to an Actinide’s ions experiencing hydrolysis.-Are all radioactive.

• Where are actinides located and what elements are they?- Actinides are the “F-Block” Elements of the Periodic Table. -The y are the 14 elements with atomic numbers ranging from 90 (thorium, Th)to 103(lawrencium, Lr).

Questions for Test

• 1. What group are the Alkali Metals in? Answer: Group of 1 of the Periodic Table

• 2. Which elements are called the Alkali Metals?

Answer: Lithium, Sodium, Potassium, Rubidium, Cesium, and Francium

Test Questions

• 1. What are the Lanthanide elements also known as?

• 2.The Lanthanide series comprises the 14 elements with which atomic numbers?

1. Which of the following is NOT a property of noble gases?

a. The majority of them has 8 electrons in their outer most layer.

b. They are unreactive.c. They are located in the 18th group of the

periodic table.d. They are solids at room temperature.

2. Why are noble gases called “inert”?

Questions

Possible Test Questions

1. What is periodicity?

2. Which elements did Mendeleev discover and incorporate into his Periodic Table of Elements?

Test Questions1.What is the

only nonmetallic liquid in the Periodic table (at room temperature)?

2.Why are Halogens useful for water sanitation purposes?