Atoms
Elements
Periodic Table
Miscellaneous
Compounds and Reactions
100
A particle in an atom with a positive charge.
What is proton?
100
The element C.
What is carbon?
100
This number tells you the number of protons in an atom's nucleus.
What is atomic number?
100
Anything that has mass and takes up space.
What is matter?
100
Water is an example of a ___________.
What is compound?
200
____________ are small particles that make up most types of matter on Earth.
What are atoms?
200

Atoms that have lost electrons

What are positive ions

200
Most elements found on the left side of the periodic table are __________.
What is metals?
200

Gave us the model of atom we use now... with shells

What is Neils Bohr

200

A ____________ reaction occurs when a compound is broken down into simpler compounds. 

What is decomposition?

300
Subatomic particles with a negative charge.
What is electrons?
300

Elements that have characteristics of both metals and nonmetals.

What is metalloids?

300
Elements on the right side of the periodic table.
What is nonmetals?
300
light beam, heat, thoughts, etc. are examples of things that are ________ ___________.
What is not matter?
300

Developed a first periodic table.

What is Mendeleev?

400
Ernest Rutherford's experiments showed that most of an atom is made up of _________ ___________.
What is empty space?
400

Elements with stable outer shells, they do not react 

What is noble gases?

400
This number reflects the number of neutrons and protons in the nucleus of an atom.
What is mass number?
400

Outer Shell electrons are also called?

What are Valance Electrons

400
The number of atoms in this compounds chemical formula C6 H12 O6.
What is 24 atoms?
500
A subatomic particle with a neutral charge.
What is neutron?
500

Elements bond with other elements in order to become _________.

What is stable?

500

Elements in the staircase of the periodic table.

What is metalloids?

500
Developed a model called the atomic theory of matter.
Who is John Dalton?
500

Chemical symbols and numbers abbreviating the name of a compound. 

What is a chemical formula?

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