Studied by 5 peopleElectrons
________ have virtually no mass.
Isotopes
________ are different forms of the same elements, they have the same number of protons but different numbers of neutrons.
Elements
________ can exist as a number of different isotopes.
bonds
Making ________ involves atoms giving, taking or sharing electrons.
Relative atomic mass
________ is used to refer to the element as a whole, this is the average mass of the element.
Elements
________ are represented by a one or two letter symbols.
To get the number of neutrons just atomic number
mass number
Covalent Bonding
Each atoms shares an electron with another atom
Sum of ( isotope abundance x isotope mass number) / abundance of all the isotopes
Relative Atomic Mass
Nucleus Size
1 x (10)-14
Mixture
No chemical bond between different parts
Nucleus Symbol
Atomic number + mass number
Atomic Number
Proton Number
Mass number
Proton + Neutron Number
Neutron Number
Mass number - Atomic Number
Note
Flashcard