History of the Atom
The first mention of what makes up matter came from the...
Greeks
These two particles are found in the nucleus
Proton and Neutrons
This group of elements is the most reactive of the non-metals
Group 17 / halogens
This type of bond involves the transfer of an electron
Ionic
This person suggested that matter cannot be created or destroyed
Dalton
Cations become charged by...
Losing electrons
As you move down a period, atomic size...
Increases
What state are most ionic compounds in?
Solid
Bohr studied the emission spectrum of what element?
Hydrogen
8
Which alkali metal would have the smallest ionic radius
Lithium
This type of bond is held together by an electrostatic attraction
Ionic
What type of foil was used by Rutherford to discover the nucleus?
Gold Foil
Two elements with the same # of protons but different atomic masses are called
Isotopes
This element has the highest ionization energy
Helium
How many electrons are shared in a triple bond
6
This device was used to discover the electron
cathode ray tube
The term used to call electrons that are not involved in bonding
Lone pair electrons
Would a non-metal with a large atomic radius be more or less electronegative?
Less
Which type of bond (single, double, triple) would be found in nitrogen gas
triple