Periodic Trends

Question 1

What is the largest element on the periodic table?

Accepted Answer

Fr

Question 2

Which group of elements have the highest Electronegativity?

Accepted Answer

Halogens

Question 3

Which of the following factors contributes to the explanation of periodic trends across a row?

Accepted Answer

an increase in the number of protons (Nuclear Attraction)

Question 4

Would you expect Cl ^ -1 ion or Mg ^+2 ion to be larger?(Hint: Compare protons to electrons)

Accepted Answer

Cl ^ -1

Question 5

Put the following elements in order of increasing ionization energy: As, Br, Ga, Ge, Kr, Se

Accepted Answer

Ga, Ge, Se, As, Br, Kr

Question 6

Put the following elements in order of increasing atomic radius: As, Br, Ga, Ge, Kr, Se

Accepted Answer

Kr, Br, Se, As, Ge, Ga

Question 7

Which group of elements have the highest Ionization Energy and zero Electronegativity?

Accepted Answer

Noble Gases

Question 8

Which of the following factors contributes to the explanation of periodic trends down a group?

Accepted Answer

an increase in the number of energy levels (Nuclear Shielding)

Question 9

The smallest particle among the following is: Ne, Na+1, F, Mg+2 (Hint: greater pull? compare protons to electrons)

Accepted Answer

Mg +2

Question 10

Put the following elements in order of increasing electronegativity: As, Br, Ga, Ge, Kr, Se

Accepted Answer

Kr, Ga, Ge, As, Se, Br

Questions 10