Periodic Trend Lesson

Multiple Choice

When the distance between valence electrons and the nucleus increases the force of attraction ___________

• Increases

• Decreases

• Stays the same

Multiple Choice

When the charge in the nucleus increases then the force of attraction ________________.

• Increases

• Decreases

• Stays the same

Multiple Choice

Which has a bigger effect on attraction

• Charge of nucleus

• Distance from nucleus

​Look for trends down the groups

Multiple Choice

As you move down a group on the periodic table, atomic radii generally...

• Increase

• Decrease

​Look for trends across periods

Multiple Choice

As you move across a period on the periodic table, atomic radii generally...

• Increase

• Decrease

Multiple Choice

Which atom is larger?

• Strontium

• Calcium

Multiple Choice

Which atom is larger?

• Sodium

• Magnesium

Multiple Choice

Which is the smallest atom?

• Cs

• Ca

• C

• O

Multiple Choice

Which would require more energy, removing an electron from an atom where the nucleus has a tight hold on its electrons or a weak hold?

• Tight hold

• Weak hold

​Look for trends down the groups

Multiple Choice

As you move down a group on the periodic table, ionization energy generally

• increases

• decreases

​Look for trends across periods

Multiple Choice

As you move across a period on the periodic table, ionization energy generally

• increases

• decreases

Multiple Choice

Which has a greater ionization energy?

• Bromine

• Iodine

Multiple Choice

Which has a smaller ionization energy?

• Rubidium

• Strontium

Multiple Choice

Which of the following requires the most energy to remove an electron?

• Neon

• Chlorine

• Sulfur

• Lead

Multiple Choice

Which letter best represents electronegativity?

• A

• B

• C

• D

​Look for trends down the groups

Multiple Choice

As you move down a group on the periodic table, electronegativity generally

• increases

• decreases

​Look for trends across periods

Multiple Choice

As you move across a period on the periodic table, electronegativity generally

• increases

• decreases

Open Ended

What do you notice about the electronegativity of the noble gases?

​Noble Gases

​Already have a full octet (nonreactive) and will not pull on other atom's electrons

Multiple Choice

Which has a greater electronegativity

• Antimony

• Bismuth

Multiple Choice

Which one is the least electronegative?

• Beryllium

• Boron

Multiple Choice

Which atom has the greatest ability to pull on other atom's electrons?

• Fluorine

• Helium

• Calcium

• Francium

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