CPC Units 4 and 5 Vocab Review

Front

What does 'periodic law' state?

Back

The properties of elements repeat at regular intervals when arranged by atomic number.

Front

Which statement best describes 'transition elements'?

Back

Metals found in groups 3 to 12.

Front

An alloy is defined as:

Back

A mixture of two or more elements, where at least one is a metal.

Front

What is a 'noble gas'?

Back

Elements in group 18 that have a full outer shell and are generally unreactive.

Front

What is a 'metalloid'?

Back

Elements that have properties of both metals and nonmetals.

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom, which determines the element's identity.

Front

Define 'ion'.

Back

An atom or molecule that has gained or lost one or more electrons, resulting in a net charge.

Front

What are 'alkali metals'?

Back

Elements in group 1 of the periodic table, known for being highly reactive and having one electron in their outer shell.

Front

What is the significance of the 'octet rule'?

Back

Atoms tend to gain, lose, or share electrons to achieve a full outer shell of eight electrons, leading to stability.

Front

Define 'covalent bond'.

Back

A chemical bond formed by the sharing of electron pairs between atoms.