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
200
Three main groups of elements are on the periodic table
What are metals, nonmetals, and metalloids?
200
Ar
TWhat is the element symbol for Argon?
200
The number of protons in the atom Beryllium
What is 4?
200
These are used to calculate the atomic mass of an atom
Protons & Neutrons
200
Elements that are the most abundant on the periodic table.
What is a Metal?
300
Group 18 elements on the right hand side of the periodic table of elements.
What are the Noble Gases?
300
The 7 shown here is called this.
What is the atomic number of Nitrogen?
300
The electron
What subatomic particle is in the outside of the nucleus of an atom?
300
Alkali metals
What are the elements in Group 1 called ?
300
Name all 3 subatomic particles.
What are Protons, Neutrons, and Electrons
400
Ions are made in what way.
What is losing or gaining electrons?
400
Claimed that an atom resembles our solar system
Nagaoka
400
Ne
What is the symbol for the element neon?
400
The ___________ __________ tell us whether an element is a metal, nonmetal, or metalloid.
background color of an element's square
400
The sum of protons and neutrons in the nucleus of an atom is known as the _________
What is the mass number?
500
Stated that an atom's electrons are imbedded in it's center, like berries in a muffin.
Thomson
500
MgCl2
What is the chemical formula for Magnesium Chloride?
500
Protons and Neutrons
What subatomic particles are in the nucleus?
500
O₂
What is an oxygen molecule?
500
Name the scientist who created the periodic table of elements.
Mendeleev
550
Said that electrons travel randomly around the nucleus
Rutherford
550
The 6 shown in this chemical formula.
C6H12O6
What is the number of carbon atoms and/or oxygen atoms?
550
Na
What is the element symbol for sodium?
550
This scientist discovered the neutron.
Chadwick
550
This tells us whether an element is a metal, non-metal or metalloid.
Background color of an element's square
600
The elements in Group 1 or on the left of the periodic table
What are highly reactive elements or alkali metals?
600
Electrons travel in energy levels. The _________energy level holds a maximum of 2 electrons.
1st
600
First to show electrons move in specific energy levels.
Bohr
600
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?
600
A type of element with properties between metals and non-metals
What are metalloids?