Matter and Atoms
Reading the Periodic Table
Atomic Models
Counting Atoms & Chemical Formulas
Molecules & Compounds
100
This is anything that has mass and takes up space
What is MATTER?
100
The number of PROTONS in an atom
What is the ATOMIC NUMBER?
100
This is the area at the center of an atom.
What is the NUCLEUS?
100
The tiny number that immediately follows an element in a chemical formula.
What is a SUBSCRIPT?
100
A combination of ANY two or more atoms chemically bonded together.
What is a MOLECULE?
200
Solids, Liquids, and Gases
What are the STATES OF MATTER?
200
The number of PROTONS and NEUTRONS in at atom.
What is the ATOMIC MASS NUMBER?
200
This is the area around the outside of an atom.
What is the ELECTRON CLOUD?
200
When an element in a formula is INSIDE a set of PARENTHESES, you do this to figure out the number of atoms present.
What is MULTIPLICATION?
200
Any two or more DIFFERENT elements chemically bonded together.
What is a COMPOUND?
300
This is the chart that scientists use to classify all of the known elements
What is the PERIODIC TABLE OF ELEMENTS?
300
This element has 33 PROTONS.
What is ARSENIC?
300
These subatomic particles have a negative charge and are found in the area around the outside of the atom.
What are ELECTRONS?
300
The number of CARBON atoms in this formula:
CH4
What is 1?
300
The following are examples:
Cu
Ti
Pt
C
What are ELEMENTS?
400
The tiniest forms of matter that give it its basic properties
What are ATOMS?
400
This element has 20 PROTONS, 20 NEUTRONS, and 20 ELECTRONS.
What is CALCIUM?
400
These two subatomic particles are found in the nucleus of an atom.
What are PROTONS and NEUTRONS?
400
The number of COPPER atoms in this formula:
Cu3(PO4)2
What is 3?
400
The following example is one:
C6H12O6
What is a COMPOUND?
500
The number of these subatomic particles in an atom determines which element the atom is (i.e. Carbon atoms have 6, Flourine atoms have 9)
What are PROTONS?
500
This element has 16 NEUTRONS.
What is PHOSPHOROUS?
500
The atomic model shown represents this element.
What is an OXYGEN atom?
500
The number of OXYGEN atoms in this formula:
Fe(H2O)4(OH)2
What is 6?
500
The following are best categorized as examples of these:
H2
N2
O3
What are MOLECULES?