A
Name of the positively charged subatomic particle
Proton
The charge that an electron has
Negative
Name of the smallest unit of an element that still has the properties of that element
The atom
These two subatomic particles are made up of quarks
Protons and neutrons
The name for vertical columns on the periodic table
Groups or Families
Name for atoms of the same element with different numbers of neutrons
Isotopes
The study of changes to the nucleus of an atom is called ______ chemistry
Nuclear
Name of the electrons which have the highest amount of energy in the electron cloud
Valence electrons
These two particles make up the nucleus
Protons and neutrons
______ isotopes is the name for isotopes with unstable nuclei
Radioactive
Nuclear reactions refer to when this part of an atom undergoes change
The nucleus
The number of this subatomic particle in an atom determines the identity of the atom
Proton
An electrically neutral atom has the same number of these two things
Protons and electrons
This number is equal to the sum of the number of protons and neutrons in an atom
Mass number
In this model of the atom, electrons travel in fixed orbits around the nucleus
Bohr model
This force holds together the positive nucleus and the negative electron cloud
Attractive electromagnetic force
The name for a charged atom
Ion
The strong nuclear force holds together this part of the atom
Nucleus
In the hyphen notation name "Hydrogen-1", the 1 is this type of number
Mass number
The name for small particles and rays released in a nuclear reaction
Radiation
This type of radiation is made up of 2 protons and 2 neutrons
Alpha particle
This type of reaction is when electrons are gained, lost, or shared to form chemical bonds
Chemical reaction
In this type of nuclear reaction, 2 or more smaller atoms are combined into 1 large atom
Fusion
Elements in the same group on the periodic table have the same number of this
Valence electrons
Beta particles are made up of this
1 electron