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18 Cards in this Set

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What is an Atomic Number?
The number of protons in an element.
What are protons,neutrons, and electrons?
PROTONS: the particle in an atomthat has a positive charge.
NEUTRONS: are the particles in an atom that have NO charge.
ELECTRON: the particle in an atom that has a negative charge.
The Periodic Table is arranged so that the elements in each COLUMN have similar what?
properties
The elements in a ROW have what with the other elements in each row?
different properties
Be familiar with the properties in the Periodic Table that are in the Metals,Nonmetals, and Metalloids.
They are arranged by color...
If an element has 5 protons and 2 neutrons, what is its Atomic Number?
5
The number of protons in an element is its what?
Atomic Number
Be familiar with what an Alloy is and list an example of an Alloy.
Brass
Know what a chemical property is and a physical property is. Know the difference among the two properties.
CHEMICAL PROPERTY:


PHYSICAL PROPERTY:


Differences:
What is a chemical property of water?
It does not burn
What is a property of Carbon Dioxide?
Oxygen
96 percent of your body is made up of oxyg,nitrogen,hydrogen and one more....
carbon
What compound makes up 60 percent of the human body?
water
When atoms combine, what is formed?
molecules
What is the word for a substance that dissolves?
solution
Be familiar with chemical formulsa. The chemical formula for water is what?
H2O
What is a compound?
a compound is a kind of matter made of a combination of two or more elements.
Explain one example of a molecule that is NOT a compound.
oxygen....