Vocab
The smallest particle of an element, which maintains the properties of that element, is invisible to the naked eye.
What is an atom.
In 1897, JJ Thompson discovered the electron. In his theory, he believed electrons were scattered in a sea of positive charge. What did he name this theory
What is plum pudding theory
Subatomic particle that has no charge
What is a neutron
Each element is made up of only one kind of this
What are atoms
the mass of a proton
What is one
Not acceptable answer: one what?
The periodic table organizes this
what are elements
This scientist believed that it is impossible to know the both the path and direction of an electron. He proved this by posing a complex (and unethical) experiment with a cat.
Who is Schrodinger
Contains protons and neutrons
What is the nucleus
Elements on the periodic table are listed in order of atomic number which tells us what about each element?
What is the number of protons
The size of atom if the nucleus were the size of a marble
What is a football field
The total mass of the nucleus (protons and electrons)
What is atomic mass
This theory was posited by Ernest Rutherford who performed the gold foil experiment that proved that atoms are mostly empty space with a positive middle
What is Nuclear
Move around the nucleus in energy levels or "shells"
What are electrons
In the Bohr model, the first energy shell can hold this many electrons
What is 2 electrons
Ms. Gras would like to rename the plum pudding theory to this instead
What is oatmeal raisin cookie theory
Makes an element unique and determines the identity of an element. Describes the number of protons
What is the atomic number
This scientist posited the planetary atomic theory where electrons move around the nucleus in orbits of specific energy and size.
Who is Neils Bohr
Determines the identity of the element
What are protons
Information that we need in order to solve how many neutrons are in an elements if the atomic number is known
What is the atomic mass
Everyone's favorite subject and favorite teacher
What is science with Ms. Gras
atoms of the same element with different numbers of neutrons
What are isotopes
In 1932, this scientist proved that neutrons exist
Who is James Chadwick
The majority of an atom is made up of this
What is empty space
The number of neutrons in an atoms that has 9 protons and a mass of 12
What is 3 neutrons
Ms. Gras argues that if pumpkin is spelled with a p then this word should also have a p
What is Hampster