The periodic table is a list of all known ....
What are elements
On Earth, there are three main phases of matter, ...., ...., and .....
The three bases of an atom are ....(p+), ....(e-), and ....(n0).
What are protons, electrons, and neutrons.
The smallest part of a substance that cannot be broken down chemically is an .....
What is an atom (for example: Ne, neon)
This example is counting what;
5 ZnSO4 Zn-5
S-5
O-20 = 30
What are Atoms
This is what you would call a vertical column in the periodic table.
What is a Group / Family
A mixture that appears to be the same throughout
What is a Homogeneous Mixture
A proton is approximately 2000 times the size of a ....
What is an electron
A compound of two or more different elements
What is a molecule (for example: NaCl, table salt)
The number between the "H" and the "O" is the .....
2H2O
What is the Subscript
This is what you would call a horizontal row in the periodic table.
What is a Period
A mixture that appears to be the same throughout.
What is a Heterogeneous Mixture.
What is a Valence Electron
This is what you would call chemical element variations that have the same number of protons but different number of neutrons
What are Isotopes
The number behind the "H" is the .....
2H2O
What is a Coefficient
The table groups elements into three categories: metals. non-metals, and .....
What are Metalloids
Mixtures are made up of two or more ..... that are mixed but not chemically combined
What are substances.
This model measures the protons in an element and has levels of rings that hold the following amount of protons;
1st ring: 2
2nd ring: 8
3rd ring: 18
4th ring: 32
5th ring: 32
6th ring: 18
7th ring: 8
8th ring: 2
this model is referred to as a .....
What is a Bohr Model
What is an Element
The number written in front of the chemical symbol and shows the number of molecules/atoms.
What is a Coefficient
The periodic table lists all elements with their atomic mass, atomic numbers, and ....
What is a Chemical Symbol
Mixtures are classified by the size of the ..... in them and by how well mixed they are.
What are particles
This diagram represents the number of valence electrons in an atom
What is a Lewis Dot Diagram
A substance where two or more elements are chemically combined.
What is a compound.
The number written at the lower right corner behind the symbol of an element if there are two or more atoms within the element is a ....
What is a Subscript