Chemistry 1
Chemistry 2
Chemistry 3
Chemistry 4
Chemistry 5
100
The number you use to find the number of protons in the nucleus.
What is the atomic number?
100
3 main states of matter
What are Solid, liquid, and Gas?
100
Ca
What is the element symbol for Calcium?
100
The chemical formula for Carbon Monoxide.
CO
100
Columns on the periodic table
Groups or families
100
Three main groups of elements are on the periodic table
What are metals, nonmetals, and metalloids?
100
Ar
TWhat is the element symbol for Argon?
100
The number of protons in the atom Beryllium
What is 4?
100
These are used to calculate the atomic mass of an atom
Protons & Neutrons
100
Elements that are the most abundant on the periodic table.
What is a Metal?
200
Stated that an atom's electrons are imbedded in it's center, like berries in a muffin.
Thomson
200
MgCl2
What is the chemical formula for Magnesium Chloride?
200
Protons and Neutrons
What subatomic particles are in the nucleus?
200
O₂
What is an oxygen molecule?
200
Name the scientist who created the periodic table of elements.
Mendeleev
200
Group 18 elements on the right hand side of the periodic table of elements.
What are the Noble Gases?
200
The 7 shown here is called this.
What is the atomic number of Nitrogen?
200
The electron
What subatomic particle is in the outside of the nucleus of an atom?
200
Alkali metals
What are the elements in Group 1 called ?
200
Name all 3 subatomic particles.
What are Protons, Neutrons, and Electrons
300
Ions are made in what way.
What is losing or gaining electrons?
300
Claimed that an atom resembles our solar system
Nagaoka
300
Ne
What is the symbol for the element neon?
300
The ___________ __________ tell us whether an element is a metal, nonmetal, or metalloid.
background color of an element's square
300
The sum of protons and neutrons in the nucleus of an atom is known as the _________
What is the mass number?
400
Said that electrons travel randomly around the nucleus
Rutherford
400
The 6 shown in this chemical formula.
C6H12O6
What is the number of carbon atoms and/or oxygen atoms?
400
Na
What is the element symbol for sodium?
400
26
How many protons are in Iron?
400
Where you find the elements with the largest atomic radius.
What is toward the bottom and left of the periodic table?
500
The elements in Group 1 or on the left of the periodic table
What are highly reactive elements or alkali metals?
500
Electrons travel in energy levels. The _________energy level holds a maximum of 2 electrons.
1st
500
First to show electrons move in specific energy levels.
Bohr
500
The Octet Rule describes this idea.
What is the number of electrons needed in the outer shell of an atom to be stable is 8?
500
A type of element with properties between metals and non-metals
What are metalloids?