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Atomic History
Atoms
Atoms pt. 2
Periodic Table Content
Periodic Table/Elements
100
Discovered the very first atom
Who is John Dalton?
100
The basic unit of a chemical element.
What is an atom?
100
The electric shell that forms when electrons are moving around a nucleus.
What is a orbital?
100
A table of the chemical elements arranged in order of atomic number.
What is the periodic table?
100
A Russian chemist that founded the periodic table.
Who is Dmitri Mendeleev?
200
He was the second man to revise the atom and claimed that the electrons were embedded in to the atom.
Who is J.J. Thompson?
200
A positive electric charge embedded in the nucleus of an atom.
What is a proton?
200
A measure of the amount of information on a storage medium.
What is density?
200
The horizontal rows on a periodic table.
What is a group?
200
Alkali Metals, Inner Transition Metals, Lanthanides, Transition Metals, Post-Transtion Metals, Metalloids, Halogens, and Noble Gases
What is element categories?
300
He was the 6th man in history to revise the atom. He believed that electrons were like energy waves and orbited the nucleus.
Who is Louis de Broglie?
300
A neutral electric charge embedded in the nucleus of an atom.
What is a neutron?
300
Anything that has mass and takes up space.
What is matter?
300
The vertical rows on a periodic table.
What is a period?
300
A colorless, odorless, highly flammable gas, the chemical element of atomic number 1.
What is hydrogen?
400
He was the 7th man in history to revise the atom. He proved that energy flows between the electron orbits.
Who is Erwin Schrodinger?
400
A negitive electric charge embedded in the nucleus of an atom.
What is an electron?
400
6.2 million cars packed together into a box.
What is the density of an atom?
400
Elements are placed in order on the periodic table by this
What is an atomic number?
400
A yellow precious metal, the chemical element of atomic number 79, with Symbol Au.
What is gold?
500
He discovered the most recent atom and proved that neutrons are in the atom to help stabilize the protons and electrons in the atom.
Who is James Chadwick?
500
The central part of an atom that holds the protons and neutrons.
What is a nucleus?
500
Each of two or more forms of the same element that contain equal numbers of protons.
What is an isotope?
500
The mass of an atom expressed in atomic mass units.
What is atomic mass?
500
A red-brown metal, the chemical element of atomic number 29, with symbol Cu.
What is copper?