Atomic Radius
Ionization Energy
Electron Affinity
Electronegativity
Msc.
100

Indicate which element in the pair has the greater atomic radius; sodium or lithium.

What is sodium?

100

Which element has a greater ionization energy; lithium or boron?

What is boron?

100

Which particle has the greatest electron affinity in the atom/ion pair; O and O-?

What is O?

100

Which element is more electronegative; Cl or F?

What is F?

100

He developed the first periodic table?

Who is Mendeleev?

200

Indicate which element has the greater atomic radius; strontium or rhodium.

What is strontium?

200

Which element has the greater ionization energy; magnesium or strontium?

What is magnesium?

200

Which particle has the greater electron affinity; S or Te?

What is S?

200

What element is more electronegative; C or N?

What is N?

200

The periodic table is arranged in increasing order of this value

What is the atomic number?

300

Indicate which element has the greater atomic radius; carbon or germanium.

What is germanium?

300

Which element has the greater ionization energy: cesium or aluminum?

What is aluminum?

300

Which has a lesser electron affinity; carbon or nitrogen?

What is carbon?

300

Which element is more electronegative; Mg or Ne?

What is Mg?

300

This attraction causes the electrons to remain around the nucleus of an atom.

What is electrostatic attraction?

400

Which element has the greater atomic radius; carbon or oxygen.

What is carbon?

400

Arrange the following elements in order of increasing ionization energy; beryllium, magnesium, and strontium.

What is strontium, magnesium, and beryllium?

400

Which has a greater electron affinity; aluminum or fluorine?

What is fluorine?

400

Which element is more electronegative; As or Ca?

What is As?

400

This scientist arranged the periodic table in order of increasing atomic number.

Who is Moseley?

500

Explain why fluorine has a smaller atomic radius than chlorine.

What is because fluorine has fewer energy levels?

500

Arrange the following elements in order of increasing ionization energy; Al, Na, and S.

What is Na, Al, and S?

500

How does the electron affinity of a metallic atom compare with its atomic radius?

What is the electron affinity decreases as the radius increases?

500

Which of the following properties does lithium have a larger value than potassium; Ionization Energy, Atomic Radius, Electronegativity, or Ionic Radius?

What is ionization energy and electronegativity?

500

The periodic table has _____ groups and _____ periods.

What are 18 & 7?