Question

what is matter
what is molecule ​

Answer 1

Answer:

molecule, a group of two or more atoms that form the smallest identifiable unit into which a pure substance can be divided and still retain the composition and chemical properties of that substance.

Answer 2

Matter

• Any thing with mass and volume consumes space. In daily and scientific usage, "matter" refers to atoms and everything made up of them, as well as any particles (or combination of particles) that operate as if they have both rest mass and volume.
• It excludes, however, massless particles like photons, as well as other energy phenomena and waves like light.
• Various states of matter exist (also known as phases).
• Other states, including as plasma, Bose–Einstein condensates, fermionic condensates, and quark–gluon plasma, are also feasible.

Molecule

• A molecule is a chemically bound, electrically neutral collection of two or more atoms.
• The absence of an electrical charge distinguishes molecules from ions.

• The difference between ions and molecules is commonly discarded in quantum physics, organic chemistry, and biochemistry, and polyatomic ions are referred to as molecules.

• The term "molecule" is frequently used in gas kinetic theory to refer to any gaseous particle, regardless of composition.
• Because noble gases are single atoms, this reduces the need that a molecule have two or more atoms.

• A molecule can be homonuclear, consisting of atoms of the same chemical element, such as the two atoms in the oxygen molecule (O2), or heteronuclear, consisting of atoms of different chemical elements, such as water (two hydrogen atoms and one oxygen atom; H2O).