"Molecule" is probably the word being sought, although other answers to this question, such as "element", could be defended.
either stuff, or more element
Everything else.
compound
Its an element and an atom.
There is one atom of that element in the molecule.
An element is an atom or molecule made of a single type of atom. A compound is a molecule made of two or more different elements.
Chemical formulas represent the number and element of each type of atom in a molecule.
is the smallest particle of an element that has the properties of that element
Its an element and an atom.
an atom
An atom for an ELEMENT and a molecule for a COMPOUND.
The atom of an element is smaller than a molecule.
"element" (2 make up a molecule)
An element, atom, crystal, compound, and molecule are all forms of matter.
One carbon atom is an element. You must have two or more atoms to make a molecule.
There is one atom of that element in the molecule.
An element is an atom or molecule made of a single type of atom. A compound is a molecule made of two or more different elements.
oxygen is an element on the Periodic Table of elements. This means that oxygen is an atom which could bond with another element covalently to form a molecule
A molecule of an element is a molecule made up of the same substance that can exist as an atom; for example, oxygen as O2.
There is one atom of that element in the molecule.