The Atom
The Periodic Table
Elements
Bohr Diagram
Definitions
100
A negatively charged particle.
What is an electron?
100
The main developer of the periodic table.
Who is Dmitri Mendeleev?
100
N
What is nitrogen?
100
Draw a Bohr Diagram of Helium.
Helium has an atomic number of 2 and an atomic mass of 4.
100
Hydrogen, Nitrogen, Oxygen, Fluorine, Chlorine, Bromine, and Iodine are examples of this.
What is a diatomic molecule?
200
A small dense sphere located in the center of the atom.
What is the nucleus?
200
The vertical columns in the periodic table.
What is a chemical family or group?
200
The chemical symbol for Silicon.
What is Si?
200
The number of orbitals Chlorine has, with 17 electrons.
What is three?
200
A charged atom.
What is an ion?
300
The original developer of the atomic model.
Who is John Dalton?
300
The group of the most reactive metals on the periodic table.
What is the first group, Alkali Metals?
300
It has the atomic number of 6.
What is Carbon?
300
Draw a Bohr Diagram of Carbon.
Carbon has an atomic number of 6 and an atomic mass of 6.
300
A substance with both metal properties and non-metal properties.
What is a metalloid?
400
The space where electrons reside in the atom, surrounding the nucleus.
What are orbitals?
400
The group that has Neon in it.
What are the noble gases (group 18)?
400
The first element on the periodic table.
What is Hydrogen?
400
The number of neutrons that go inside the center for Argon when it has an atomic number of 18 and a mass number of 40.
What is 18p and 22n?
400
The number that determines the element.
What is the atomic number?
500
Developer of the nuclear model.
Who is John Dalton?
500
The way the periodic table is arranged.
What is the atomic number?
500
It has the atomic number 4.
What is Berylium?
500
Draw a Bohr Diagram of Phosphorus.
Phosphorus has an atomic number of 15 and an atomic mass of 31.
500
Elements with the same number of protons but different number of neutrons.
What is an isotope?
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