Periodic Table Trends

Which of the following elements has the largest atomic radius?

• Helium (He)

• Francium (Fr)

• Oxygen (O)

• Neon (Ne)

As you move from left to right across a period in the periodic table, what generally happens to the atomic radius?

• It increases

• It decreases

• It remains the same

• It fluctuates

Which element is likely to have the highest ionization energy?

• Lithium (Li)

• Fluorine (F)

• Sodium (Na)

• Potassium (K)

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the trend in ionization energy as you move down a group in the periodic table?

• It increases

• It decreases

• It remains constant

• It fluctuates

Which of the following elements has the highest electronegativity?

• Carbon (C)

• Oxygen (O)

• Fluorine (F)

• Nitrogen (N)

Tags

NGSS.HS-PS1-2

As you move from left to right across a period, what happens to electronegativity?

• It increases

• It decreases

• It remains the same

• It fluctuates

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which group in the periodic table is known as the noble gases?

• Group 1

• Group 2

• Group 17

• Group 18

What is the common property of elements in the same group of the periodic table?

• They have the same atomic number

• They have similar chemical properties

• They have the same number of neutrons

• They have the same atomic mass

Which period in the periodic table contains the element with atomic number 15?

• Period 2

• Period 3

• Period 4

• Period 5

What is the trend in atomic radius as you move down a group in the periodic table?

• It increases

• It decreases

• It remains constant

• It fluctuates