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8 Cards in this Set
- Front
- Back
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LIST 8 ELEMENTS IMPORTANT TO LIFE
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OXYGEN
CARBON HYDROGEN NITROGEN CALCIUM PHOSPHORUS POTASSIUM SODIUM |
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1. ELEMENT COMBINE TO FORM________
2. ELEMENTS ARE FORMED OF ATOMS = _____, _______, ______ 3. ATOMIC NUMBER =_________ 4. ATOMIC MASS = ________ |
1. COMPOUNDS
2. PROTONS, NEUTRONS, ELECTRONS 3. NUMBER OF PROTONS 4. MASS NUMBER = PROTONS + NEUTRONS |
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1. ELECTRONS DETERMINE ___________ PROPERTIES OF _______.
2. THIS MEANS HOW IT WILL ______/______ WITH OTHER ______ |
1. CHEMICAL...ATOMS
2. REACT/BOND....ATOMS |
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IONIC BONDS
ATOMS WIH ________ CHARGES ________ |
STRONG BONDS
OPPOSITE...ATTRACT |
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COVALENT BONDS ARE ----- -----
ATOMS ---- ELECTONS 2+ ATOMS ----- ------ ARE CALLED A ---- |
STRONG BONDS
ATOMS SHARE ELECTONS 2+ ATOMS BONDED COVALENTLY ARE CALLED A MOLECULE |
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HYDROGEN BONDS ARE ---- ----
---- AREAS OF MOLECULES BOND WITH OTHER ---- AREAS OF OTHER MOLECULES |
WEAK BONDS
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WATER IS
A ---- ---- A ---- ---- LESS ---- IN ---- ---- THAN IN ---- --- |
POLAR MOLECULE
UNIVERSAL SOLVENT LESS DENSE IN SOLID PHASE THAN IN LIQUID PHASE (ICE FLOATS) |
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pH UNITS ARE USED TO ----- THE ---- ---- OF A ----
< 7 =_______ > 7 =_______ = 7 =_______ |
UNITS USED TO MEASURE THE IONIC CONCENTRATION OF A LIQUID
< 7 ACIDIC > 7 BASIC = 7 NORMAL |
