The Periodic Table (IPC)

Front

What are noble gases?

Back

Noble gases are a group of very unreactive nonmetals found in Group 18 of the periodic table, including helium, neon, argon, krypton, xenon, and radon.

Front

How many valence electrons do alkaline earth metals have?

Back

Alkaline earth metals have 2 valence electrons.

Front

How many valence electrons are found in atoms of group 14?

Back

Atoms of group 14 have 4 valence electrons.

Front

What is the periodic table organized by?

Back

The periodic table is organized by the number of protons in each element's nucleus.

Front

How is the modern periodic table arranged?

Back

The modern periodic table is arranged by atomic number.

Front

What are alkali metals?

Back

Alkali metals are highly reactive metals found in Group 1 of the periodic table, including lithium, sodium, potassium, rubidium, cesium, and francium.

Front

What is the significance of atomic number?

Back

The atomic number represents the number of protons in an atom's nucleus and determines the element's identity.

Front

What are metalloids?

Back

Metalloids are elements that have properties of both metals and nonmetals, found along the zig-zag line on the periodic table.

Front

What are halogens?

Back

Halogens are reactive nonmetals found in Group 17 of the periodic table, including fluorine, chlorine, bromine, iodine, and astatine.

Front

What is the difference between metals and nonmetals?

Back

Metals are typically shiny, conductive, and malleable, while nonmetals are usually dull, insulative, and brittle.