Atoms and Molecules short 2 Flashcards
What is atomicity
The number of atoms that make up a molecule is known as its atomicity.
What is a diatomic molecule ?
Diatomic molecules are molecules composed of only two atoms, of the same or different chemical elements
What is a Monoatomic molecule ?
A molecule comprised of just one atom
What is a Tetra-atomic molecule ?
A molecule formed by combination of four atoms
How are molecules of compounds formed ?
Atoms of different elements join together in definite proportions to form molecules of compounds.
What is a anion ?
A negatively charged ion is called an anion.
What is a canion?
A positively charged ion is called an canion.
What is the chemical formula of a compound ?
It is a symbolic representation of its composition
What is an polyatomic ion ?
A group of atoms carrying a charge is known as a polyatomic ion.
What are binary compounds ?
The simplest compounds, which are made up of two different elements are called binary compounds.
