What’s a Matter?
What is Matter?
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Matter: Anything that takes up space and has mass
Atom: Basic unit of matter
Chemistry: The study of matter and all the changes it
undergoes.
Element: Kind of atom (oxygen, hydrogen etc…)
Molecule: 2 or more atoms
Compound: 2 or more elements
Is O2 a compound or molecule?
Is H2O a compound or element?
What Changes Does Matter
Undergo?
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Physical: The
substance is still the
same
Chemical: A new
substance is formed
What is a solid, liquid or gas?
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Help Marvin the Martian
understand what a solid,
liquid and gas are!
Draw what solids, liquids,
gases look like
What would happen if we
increase the
temperature?
What would happen if we
decreased the
temperature?
What does an atom look like?
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Atoms contain a nucleus
with protons (+) and
neutrons (no charge) and
have electrons (-) flying
around
Neils Bohr: Proposed the
planetary model after
studying a hydrogen atom
in 1915.
Electron Cloud Theory
How do compounds form?
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Ionic Bond: An electron
is transferred from one
element to another
(metal to nonmetal)
Covalent Bond:
Electrons are shared
(nonmetal to nonmetal)
Metallic Bond: Sea of
electrons (Metal to
Metal)
CLASSIFYING MATTER
How do we use the periodic table
of elements?
Group IA: Alkali Metals
Group VIIIA (O): Noble Gases
Group IIA: Alkaline Earth Metals
Other Nonmetals
Group B: Transition Metals
Metalloids
Group VIIA: Halogens
Other Metals
How do we use the periodic table?
(Number of
protons/electrons)
( protons + neutrons)
Who Am I?
64
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Which element has
the atomic # 10?
Which element has a
mass of 4 amu?
Which element is in
period 3 and is a
Noble Gas?
29
Cu +2
How many protons?
How many electrons?
How many neutrons?
What are acids and bases?
ACIDS
BASES
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TASTE
SOUR
BITTER
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FEEL
STINGS
SLIPPERY
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REACTIONS
YES / METAL
NO / METALS
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CONDUCTS
ELECTROLYTE
ELECTROLYTE
HOW DO WE MEASURE ACIDS AND BASES?
INDICATORS
A SUBSTANCE THAT TURNS ONE COLOR IN AN
ACIDIC SOLUTION AND ANOTHER COLOR IN A
BASIC SOLUTION
SOME INDICATORS ARE:
 LITMUS: DYE THAT COMES FROM A LICHEN
 PHENOLPHTHALEIN: INDICATES ONLY BASES
 UNIVERSAL INDICATOR:
ACID, NEUTRALS, BASES
 CABBAGE JUICE:
ACIDS, NEUTRAL, BASE