Periodic Table Basics
Atomic Radius
Electronegativity
Ionization Energy
Electron Configuration
100

What number determines the order of elements on the modern periodic table? 

What is atomic number?

100

What does atomic radius describe?

What is the size of an atom?
100

What does electronegativity measure?

What is an atom's ability to attract shared electrons in a chemical bond?

100

What does ionization energy measure?

What is the energy needed to remove an electron from an atom?
100

How many valence electrons does sulfur (S) have?

What is 6?

200

What are the other two names for a column on the periodic table?

What is group and family?

200

What atom is larger: lithium (Li) or potassium (K)?

What is potassium (K)?

200

Which element attracts shared electrons more strongly: oxygen (O) or sulfur (S)? (has a higher electronegativity)

What is oxygen?

200

Which element generally has a lower ionization energy: lithium (Li) or cesium (Cs).

What is cesium (Cs)?
200

An atom has the electron configuration of 1s² 2s² 2p⁶ 3s² 3p¹. What element is it?

What is aluminum (Al)? 

300

Chlorine and bromine belong to the same family. What is this family called and how many valence electrons do these elements have?

What are Halogens and 7 valence electrons?

300

Put these elements in order from smallest to largest atomic radius: oxygen (O), carbon (C), and lithium (Li).

What is O, C, and Li?

300

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

What is, it increases?
300

Which element generally has a higher ionization energy: sodium (Na) or chlorine (Cl)?

What is chlorine (Cl)?

300

How many unpaired electrons does a ground-state oxygen atom have? (a neutral oxygen atom).

Hint: Draw a Lewis Dot Structure

What is 2 unpaired electrons?

400

An element is shiny, malleable, and conducts electricity well. Is it most likely a metal, nonmetal, or metalloid? 

What is a metal?

400

Magnesium (Mg) and chlorine (Cl) are in the same period. Which has the larger atomic radius, and why?

What is Magnesium because of increased nuclear charge/increased number of protons?

400

Put these elements in order from lowest to highest electronegativity: potassium (K), calcium (Ca), and bromine (Br). 

What is K, Ca, and Br?

400

Put these elements in order from lowest to highest first ionization energy: lithium (Li), sodium (Na), and potassium (K).

What is potassium (K), sodium (Na), and lithium Li?

400

Write the full electron configuration for calcium (Ca), which has an atomic number of 20.

What is: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s²?

500
Element X has 36 protons. Identify the number of valence electrons, its family, and the element.

What is 8, Noble Gases, and Krypton?

500
Sodium (Na) and cesium (Cs) are in the same group. Why does cesium have a larger atomic radius?

What is more electron shells, the outer electrons are farther away from the nucleus?

500

Fluorine and iodine are in the same group. Which has the higher electronegativity, and why?

What is Fluorine because of less electron shells/energy levels?

500

Two atoms are in the same group. Atom A is near the top, and Atom B is near the bottom. Which atom generally requires more energy to remove an outer electron? Explain why.

What is Atom A, because its outer electrons are closer to the nucleus and experience less nuclear shielding/fewer energy shells?
500

What is the orbital diagram for Neon?

Drawn on board.