Periodic Trends Practice Quiz

Which of these elements has the largest atomic radius?

• Bromine (Br)

• Potassium (K)

• Gallium (Ga)

• Arsenic (As)

Which of these elements has the highest ionization energy?

• Sodium (Na)

• Lithium (Li)

• Potassium (K)

• Cesium (Cs)

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

Which of these elements has the highest electron affinity?

• Fluorine (F)

• Iodine (I)

• Bromine (Br)

• Chlorine (Cl)

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

Which of these elements has the least electron affinity?

• Francium

• Cesium

• Fluorine

• Helium

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NGSS.HS-PS1-2

NGSS.HS-PS1-1

What is ionization energy?

• The ability of an atom to attract and bind with electrons

• The energy needed to remove a valence electron

• The ability of an atom to become a negative ion

• The size of an atom

What is electron affinity?

• The amount of valence electrons

• The energy needed to remove a valence electron

• The ability of an atom to attract an electron to itself

• The size of an atom

Tags

NGSS.HS-PS1-2

What is atomic radius?

• The ability of an atom to attract and bind with electrons

• The energy needed for a neutral atom to remove an electron

• The ability of an atom to become a negative ion

• The size of an atom

What is the trend of atomic radius across a period in the periodic table?

• Increases from L to R

• Decreases from L to R

• Remains constant

• First increases, then decreases

Tags

NGSS.HS-PS1-2

What is the trend of electron affinity down a group in the periodic table?

• Increases from top to bottom

• Decreases from top to bottom

• Remains constant

• First increases, then decreases

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

What is the trend of ionization energy down a group in the periodic table?

• Increases from top to bottom

• Decreases from top to bottom

• Remains constant

• First increases, then decreases