Chemistry Concepts

Front

Isotopes of Beryllium

Back

Isotopes have the same atomic number but different atomic masses.

Front

Protons, electrons, and neutrons in a potassium (K) atom.

Back

19 protons, 19 electrons, 20 neutrons

Front

Set of elements that are Halogens.

Back

Bromine (Br), Iodine (I), Chlorine (Cl)

Front

The rule that describes electron pairing in orbitals.

Back

Hund's rule

Front

The atomic mass trend as you move across a period.

Back

The atomic mass increases.

Front

The group of elements that includes helium, neon, and argon.

Back

Noble gases

Front

The element with the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p².

Back

Germanium (Ge)

Front

Isotope of the given element.

Back

An isotope has the same number of protons but a different number of neutrons.

Front

Number of covalent bonds in CH₄

Back

4

Front

Involves exchange of electrons

Back

Ionic bond