Periodic Trends Quiz

Which of the following ranks the elements by increasing atomic radius: carbon, aluminum, oxygen, potassium?

• Oxygen, Carbon, Aluminum, Potassium

• Carbon, Oxygen, Aluminum, Potassium

• Oxygen, Aluminum, Carbon, Potassium

• Carbon, Aluminum, Oxygen, Potassium

Rank the following elements by increasing electronegativity: sulfur, oxygen, neon, aluminum.

• Neon, Aluminum, Sulfur, Oxygen

• Aluminum, Neon, Sulfur, Oxygen

• Aluminum, Sulfur, Oxygen, Neon

• Sulfur, Oxygen, Neon, Aluminum

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Fluorine has a higher ionization energy than iodine because:

• Fluorine is smaller in size and has a higher effective nuclear charge.

• Iodine has a higher atomic number and more electron shells.

• Fluorine is a noble gas with a complete octet.

• Iodine is more electronegative than fluorine.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Elements in the same family generally have similar properties because:

• They have the same number of protons.

• They have similar atomic masses.

• They have the same number of valence electrons.

• They are in the same period.

Tags

NGSS.HS-PS1-1

Indicate whether the following properties increase or decrease from left to right across the periodic table: a. atomic radius (excluding noble gases) b. first ionization energy c. electronegativity.

• a. Decrease, b. Increase, c. Increase

• a. Increase, b. Decrease, c. Decrease

• a. Decrease, b. Decrease, c. Increase

• a. Increase, b. Increase, c. Decrease

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What trend in atomic radius occurs down a group on the periodic table?

• The atomic radius increases.

• The atomic radius decreases.

• The atomic radius remains the same.

• The atomic radius fluctuates.

What trend in ionization energy occurs across a period on the periodic table?

• Ionization energy increases

• Ionization energy decreases

• Ionization energy remains constant

• Ionization energy fluctuates

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Choose the atom that has the largest atomic radius. a. Al b. Na c. S d. O e. Br

• Al

• Br

• Na

• S

• O

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Choose the atom that has the greatest ionization energy. a. Ca b. Na c. Ar d. Cl e. Li

• Ar

• Li

• Cl

• Ca

• Na

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Electronegativity is defined as:

• The ability of an atom to attract electrons towards itself

• The energy required to remove an electron from an atom

• The measure of an atom's size

• The number of protons in an atom's nucleus

Tags

NGSS.HS-PS1-2