Vocabulary Flashcards
What is an element?
An element is a substance with unique properties that is made entirely from one type of atom
What is an atom?
The smallest part of an element that retains the properties of that element
What is a compound
Two or more elements bonded together
What is a molecule
The smallest part of a compound that retains the properties of that compound
What is an isotope?
Atoms of the same element that have different amounts of neutrons
What is atomic mass
The atomic weight for an element tells the number of protons and neutron in an atom
What is a valence electron
The electron on the outermost shell
What are the shells?
K,l,m,n,o,p and q
What is a covalent bond?
Covalent bond forms when two or more atoms atoms share electrons
What is an ionic bond
An ionic bond are formed by ions that have opposite charges
What is an ion
An ion is an atom that has lost or gained an electron
What is a diatomic molecule?
When nonmetal bond with themselves
