Periodic Table Exam Review

The atom with the largest atomic radius in Group 18 is - 

• Ar
• He
• Kr
• Rn

What element has the lowest electronegativity value with the following elements?

• Rubidium (Rb)

• Silver (Ag)

• Oxygen (O)

• Hydrogen (H)

Answer explanation

Take a look on your yellow sheet for the test. What is the trend for electronegativity?

Which of the following elements is in the same period as Neon

• Argon

• Nitrogen

• Potassium

• None of these

Answer explanation

A period can be found on the left while a group can be found on the top.

The horizontal row in the periodic table is

(choose the best answer)

• a group

• full of elements

• a period

• contains no elements

Which of the following is a halogen?

• Neon

• Oxygen

• Flourine

• Molybdenum

Answer explanation

The halogens are located under group 7A on the periodic table or also known as group 17.

As you move left to right across a period, ionization energy

• increases

• decreases

• says the same

Ionization Energy is

• The ability of an atom to attract another atom's electrons

• The ability of an atom to react with water

• The energy required to remove an atom's electron

• The distance from the nucleus to the outer electrons

Which of the following atoms would have the largest radius?

• chlorine

• silicon

• sodium

• argon

What element has the lowest electronegativity value with the following elements?

• Rubidium (Rb)

• Silver (Ag)

• Oxygen (O)

• Hydrogen (H)

Answer explanation

Take a look on your yellow sheet for the test. What is the trend for electronegativity?

Which of the following elements is in the same period as Neon

• Argon

• Nitrogen

• Potassium

• None of these

Answer explanation

A period can be found on the left while a group can be found on the top.