Scientists
Who is Niels Bohr?
The nuclear particle that carries a single positive charge
What is the proton?
A vertical column of the periodic table
What is a group?
The number of protons in an atom
What is the atomic number?
The scientist who showed the existence of the nucleus
Who is Ernest Rutherford?
The nuclear particle that carries no charge
What is the neutron?
A horizontal row on the periodic table
What is a period?
The sum of protons and neutrons in an atom
What is mass number?
The scientist who developed the modern atomic theory
Who is John Dalton?
The particle, smaller than nuclear particles, which carries a single negative charge
What is the electron?
A collection of atoms that all have the same number of protons
What is an element?
The collection of lines of light representing electromagnetic emissions in specific energies.
What is an atom's spectrum?
The scientist who demonstrated that water can be broken into oxygen and hydrogen
Who is Antoine Lavoisier?
The basic particle of matter from which all other matter is constructed
What is the atom?
The value which increases as you move left-to-right through a period on the periodic table
What is atomic number?
In alchemy, the transmutation of base metals into noble metals
What is chrysopeia?
The scientist who developed the first periodic table of the elements
Who is Dmitri Mendeleev?
An electron in the outermost shell of an atom
What is a valence electron?
The thing which all elements in a group have the same number of
What are valence electrons?
The thing which determines the majority of an atom's chemical properties
What are valence electrons?