Physical Science Take 10

Week #14SPS-4 Periodic Table

Day 1 Question 1

Which of the following elements is a metalloid?

A. magnesiumB. silicon C. phosphorus D. cobalt

Day 1 Question 2Which of the following

elements is a member of the halogen family and is located in period 3?

A. argon (Ar)B. bromine (Br)C. chlorine (Cl)D. sulfur (S)

Day 1 answers1. Which of the following elements

is a metalloid?B. Silicon

2. Which of the following elements is a member of the halogen family and is located in period 3?

B. bromine (Br)

Day 2 Question 1The illustration represents a

portion of the periodic table with electronegativity values given for four of the elements.

Based on electronegativity trends in the periodic table, which of the following is the most likely value for the electronegativity of sulfur?

A. 1.5B. 2.0C. 2.5D. 3.0

Day 2 Question 2Which of the following elements

has an electron configuration of ?

A. lithiumB. aluminumC. phosphorusD. calcium

Day 2 answers1. Based on electronegativity trends in the

periodic table, which of the following is the most likely value for the electronegativity of sulfur?

C. 2.5

2. Which of the following elements has an electron configuration of ?

B. aluminum

Day 3 Question 1Which of the following sections of the periodic table contains only metals?

A. group 2B. group 18C. period 2D. period 6

Day 3 Question 2Which of the following characteristics

of an element can be determined precisely by considering only the element’s specific position on the periodic table?

A. radius of each ion B. density of the solidC. boiling point of the liquidD. number of protons in each atom

Day 3 answers1. Which of the following sections of the

periodic table contains only metals?A. group 2

2. Which of the following characteristics of an element can be determined precisely by considering only the element’s specific position on the periodic table?

D. number of protons in each atom

Day 4 Question 1Which of the following elements has the greatest electronegativity?

A. hydrogen (H)B. fluorine (F)C. astatine (At)D. francium (Fr)

Day 4 Question 2

Which of the following statements describes properties of most metals?

A. They have high melting and boiling points.

B. They accept electrons to form negative ions.

C. They have densities lower than that of water.

D. They share electrons to form covalent bonds.

Day 4 answers1. Which of the following elements

has the greatest electronegativity?B. fluorine (F)

2. Which of the following statements describes properties of most metals?

A. They have high melting and boiling points.

Day 5 Question 1Which of the following

elements has characteristics of some metals and also of some nonmetals?

A. antimony ( 51Sb)B. calcium ( 20Ca)C. sulfur ( 16 S)D. zinc ( 30 Zn)

Day 5 Question 2Which of the following trends in

the periodic table should be expected as the atomic number of the halogens increases from fluorine (F) to iodine (I)?

A. Atomic radius decreases.B. Electronegativity decreases.C. Atomic mass decreases.D. Electron number decreases

Day 5 answers1. Which of the following elements has

characteristics of some metals and also of some nonmetals?

A. antimony ( 51Sb)

2. Which of the following trends in the periodic table should be expected as the atomic number of the halogens increases from fluorine (F) to iodine (I)?

B. Electronegativity decreases.