Unit 4: Periodic Table Vocab

Front

What is chemical reactivity?

Back

Chemical reactivity refers to the ability of a substance to react with other substances.

Front

Define isoelectronic.

Back

Isoelectronic means having the same number of electrons.

Front

List the diatomic elements.

Back

The diatomic elements are Hydrogen (H), Nitrogen (N), and Oxygen (O).

Front

What are metalloids?

Back

Metalloids are elements that have properties of both metals and non-metals.

Front

What is ionic radius?

Back

Ionic radius is the distance from the nucleus to the outermost electron in an ion.

Front

What is the significance of the periodic table in chemistry?

Back

The periodic table organizes elements based on their atomic number, electron configuration, and recurring chemical properties.

Front

What are the main groups of the periodic table?

Back

The main groups of the periodic table include alkali metals, alkaline earth metals, transition metals, halogens, and noble gases.

Front

What is the difference between an atom and an ion?

Back

An atom is a neutral particle, while an ion is a charged particle that has lost or gained electrons.

Front

What are the properties of metals?

Back

Metals are typically shiny, good conductors of heat and electricity, malleable, and ductile.

Front

What are the properties of non-metals?

Back

Non-metals are usually dull, poor conductors of heat and electricity, and brittle in solid form.