Front

What are metalloids?

Back

Elements that have some characteristics of metals and some characteristics of nonmetals, such as Arsenic.

Front

What are noble gases?

Back

Elements that are unreactive and have a full octet of electrons in their outer shell.

Front

What is the name of group 2 in the periodic table?

Back

Alkaline earth metals.

Front

What does the periodic law state?

Back

The elements are arranged according to their atomic numbers so that elements with similar chemical properties are in the same column and properties repeat periodically.

Front

Which element has similar chemical properties as sodium but has 7 energy levels?

Back

Francium (Fr).

Front

What is the atomic number of an element?

Back

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

Front

What are alkali metals?

Back

Elements in group 1 of the periodic table, known for being highly reactive.

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 chemical stability.

Front

What are transition metals?

Back

Elements found in groups 3-12 of the periodic table, known for their ability to form various oxidation states.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons from one atom to another, while covalent bonds involve the sharing of electrons between atoms.