Symbols and Names
Electron Configuration
Subatomic Particles
Periodic Trends
Periods and Groups
100

The element with a chemical symbol H

What is hydrogen?

100

The name of the block of elements that includes groups 1 and 2.

What is the s-block?

100

The charge of a proton.

What is positive?

100

Oxygen, nitrogen, and fluorine in order of increasing atomic radius.

What is fluorine, oxygen, and nitrogen?

100

The name of the group 1 elements.

What are alkali metals?

200

The chemical symbol of krypton.

What is Kr?

200

The groups belonging to the p-block.

What are groups 13-18 (excluding helium)?

200

The number that represents the number of protons in an atom.

What is the atomic number?

200

Silicon, carbon, and germanium in order of increasing electronegativity.

What is germanium, silicon, and carbon?
200

The element in period 6 and group 2.

What is barium?

300

The element with the chemical symbol K

What is potassium?

300

The element with the electron configuration of 1s22s22p1.

What is boron?

300

The number of electrons in gallium.

What is 31?

300

Lithium, potassium, and sodium in order of increasing ionization energy.

What is potassium, sodium, and lithium?

300

The name of group 17 elements.

What are halogens?

400

The symbol of gold.

What is Au?

400

The electron configuration for argon.

What is 1s22s22p63s23p6?

400

The element with 67 electrons.

What is francium?

400

Tin, sulfur, and arsenic in order of increasing radius.

What is sulfur, arsenic, and tin?

400

The name of group 2 elements.

What are alkaline-earth metals?

500

The element with the chemical symbol Sn.

What is tin?

500

The noble gas configuration for bromine.

What is [Ar]4s23d104p5?

500
The number of neutrons in aluminum.

What is 14?

500
The largest atom and the smallest atom on the periodic table.

What is francium and helium?

500

The name of the large group of elements in groups 3 through 12.

What are the transition metals?