Chapter 5 Content Quiz

Question 0

Helium, neon, argon, and krypton are all examples of what family of elements?

Answer 0

Noble gases

Question 1

What is the minimum energy required to remove the first electron from its outermost shell to make it a cation?

Answer 1

Ionization energy

Question 2

What group of elements conduct electricity only under certain conditions and therefore are known as semiconductors

Answer 2

Medalliods

Question 3

What is the measured attraction between the nucleus and the valence electrons?

Answer 3

Electronegativity

Question 4

Who was the Nobel prize-winning chemist who devised an electronegativity scale?

Answer 4

Linus Pauling

Question 5

What states that the properties of elements vary with their atomic numbers in a periodic way?

Answer 5

Periodicity

Question 6

Which element has a higher first ionization energies: calcium or krypton?

Answer 6

Krypton

Question 7

Which element has a larger atomic radius: potassium or helium?

Answer 7

Potassium

Question 8

What is the tasteless, colorless, odorless, gas that accounts for 21% of the earth’s atmosphere and is the most abundant element in the earth’s crust. It is also essential for the life of animals and humans.

Answer 8

Oxygen

Question 9

The two elements that are the major constituents of hard water are magnesium and _______.

Answer 9

Calcium