History of Periodic Table
Periodic Trends
Element Identification
Elemental Groups
Electron Configuration
100

First-person to introduced the term atoms

Democritus 

100

What is the distance from the center of an atom's nucleus to its outer most electron?

Atomic Radius

100

What is the name of element number 106 and what is the atomic number?

Seaborgium, 106.

100

What are the names of the groups that are the most reactive groups in the s-block of the periodic table of elements?

Alkali Metals, Alkaline Earth Metals

100

What does the term "valence" mean?

Outermost electrons

200

Model: Electrons in a positive cloud

Plum Pudding Model

200

What is the term that refers to the energy need to remove an atom's electron?

Ionization Energy

200

What element has an atomic mass of 238.

U, Uranium

200

Which group of elements play an important role in living organisms, and are also extremely valuable as strong, structural useful materials AND make up the d-block on the periodic table?

Transitional Metals

200

1S^2 is the electron configuration of what element?

Helium

300

How is the periodic table arranged today?

By atomic number.

300

What is the name of the term that describes the attraction of electrons?

Electronegativity

300

What is the name of the element with the elemental symbol Zr?

Zirconium

300

The elements boron (B), aluminum (Al), gallium (Ga), indium (In), and thallium (Ti), belong in which group?

Group 13

300

What is the electron configuration of Neon?

1s22s22p6

400

Model: Electrons in orbits around the nucleus

Planetary Model

400

Where is ionization energy the highest? Electronegativity?

Ionization --> He

Electronegativity -->F

400

Which element has 42 as its atomic number?

Mo, Molybdenum

400

Which elements belong in Group 14?

Carbon (C), Silicon (Si), Germanium (G), Tin (Sn), and Lead (Pb)

400

What is the electron configuration of sodium?

1s22s22p63s1

500

Model: Electrons located in probability zones.

Quantum Mechanical Model

500

Ionization energy ____________ as you go from left to right across a period and ___________ as you go from top to bottom of a family.

Increases, decreases.

500

What element has the elemental symbol Uuu?

Unununium

500

Name the group which contains the elements: Nitrogen (N), Phosphorus (P), Arsenic (As), Antimony (Sb), and Bismuth (Bi)

Group 15

500

What does the electron configuration of an element reveal about that element?

How the electrons are arranged in an atom.