3-2 Quiz

Rubidium is an element located below sodium in Group 1 on the periodic table. Which of the following statements is correct?

• Rubidium has a lower electronegativity and a lower ionization energy than sodium

• Rubidium has a higher electronegativity and a higher ionization energy than sodium.

• Rubidium has a higher electronegativity and a lower ionization energy than sodium.

• Rubidium has a lower electronegativity and a higher ionization energy than sodium.

Which element would you expect to have the highest electronegativity?

• Calcium, Ca #20

• Cesium, Cs #55

• Fluorine, F #9

• Phosphorus, P #15

According to periodic trends, at which position on the periodic table would an element most likely have an electronegativity higher than that of calcium? Select all correct answers.

• just above calcium

• just below calcium

• just to the left of calcium

• just to the right of calcium

A scientist determines that an element has a high reactivity and a large atomic radius. What other properties does the element most likely have?

• high electronegativity and high ionization energy

• high electronegativity and low ionization energy

• low electronegativity and high ionization energy

• low electronegativity and low ionization energy

What statement best explains why fluorine has a smaller atomic radius than oxygen.

• Fluorine has fewer electrons than oxygen.

• Fluorine has one more proton than oxygen.

• Fluorine has low electronegativity.

• Fluorine forms bonds readily with oxygen.

Which list has the following elements in order of decreasing electronegativity.

Tin, Sn (period 5, group 14)

Rubidium, Rb (period 5, group 1)

Bromine, Br (period 4, group 17)

Lithium, Li (period 2, group 1)

Cadmium, Cd (period 5, group 12)

• Sn > Rb > Br > Li > Cd

• Rb > Li > Cd > Sn > Br

• Br > Cd > Li > Sn > Rb

• Br > Sn > Cd > Li > Rb

• Li > Rb > Sn > Cd > Br

Electronegativity is...

• how good an atom is at attracting electrons
• the ability of an atom to lose electrons
• the energy required to remove an electron from a specific atom
• how easy it is to make friends. 

 Which of the following generally applies to the noble gases? 

• high ionization energy, low electronegativity, high reactivity
• high ionization energy, high electronegativity, high reactivity
• low ionization energy, low electronegativity, low reactivity
• high ionization energy, low electronegativity, low reactivity 

Which of the following is the least electronegative element?

• oxygen
• potassium
• fluorine
• nitrogen

What is ionization energy?

• Energy needed to destroy an atom
• Energy required to remove an electron
• Energy needed to split an electron
• Energy required to add an electron