Atomic Structure
This subatomic particle is neutral, or has no charge.
What is Neutrons?
All matter is made up of different small particles depending on the type of matter.
Who is Democritus?
An arrangement of elements in which the elements are arranged based on a set of repeating properties; elements are also displayed in order of increasing mass/atomic number.
What is the Periodic Table?
This is the electron configuration of flourine.
What is Spectrum: p, Energy Level: 2?
Describe the atomic number of potassium (K)
What is 19?
The number of protons gives us this value, which is unique for each element and determines its identity.
What is the atomic number?
Plum Pudding Model
Who is J.J. Thompson?
This number describes the number of protons an element has in each atom
What is the element's atomic number?
This is the electron configuration of helium.
The number of electrons an orbital can hold after the first orbital.
These two subatomic particles must be equal in number in order to make the atom neutral.
What are electrons & protons?
Discovered atoms weren't different shapes and sizes.
Who is John Dalton?
This number describes the number of protons plus neutrons an element has in each atom.
What is the element's mass number?
This is the electron configuration for Copper.
What is Spectrum: d, Energy Level: 3?
Electrons, Protons, Neutrons for Argon (Ar)?
Proton-18
Electron- 18
Neutron- 22
The two sub-atomic particles that make up the nucleus.
What are protons & neutrons?
Gold Foil Experiment and discovered all protons on in the center of the atom
Who is Ernest Rutherford?
These substancess are related to each other because they have the same number of protons; however, each substance has differing numbers of neutrons in its atoms.
What are isotopes?
Electron Configuration for Plutonium
What is Spectrum: f, Energy Level: 5?
Element with two neutrons
What is Helium?
This particle is the smallest particle in the atom
What is the electron?
The two most modern atomic models used currently and discovered by
What are the Bohr's Model and the Electron Cloud Model ?
Who are Neil's Bohr and Erwin Schrodinger?
The number of neutrons is determined by these two variables.
What is the mass number - atomic number?
This element is the second element in Spectrum: d, Energy Level: 3
What is Titanium?
When electrons become excited and jump from different orbital levels?