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8 Cards in this Set

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  • Back
LIST 8 ELEMENTS IMPORTANT TO LIFE
OXYGEN
CARBON
HYDROGEN
NITROGEN
CALCIUM
PHOSPHORUS
POTASSIUM
SODIUM
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
1. ELECTRONS DETERMINE ___________ PROPERTIES OF _______.

2. THIS MEANS HOW IT WILL ______/______ WITH OTHER ______
1. CHEMICAL...ATOMS

2. REACT/BOND....ATOMS
IONIC BONDS

ATOMS WIH ________ CHARGES ________
STRONG BONDS

OPPOSITE...ATTRACT
COVALENT BONDS ARE ----- -----

ATOMS ---- ELECTONS

2+ ATOMS ----- ------ ARE CALLED A ----
STRONG BONDS

ATOMS SHARE ELECTONS

2+ ATOMS BONDED COVALENTLY ARE CALLED A MOLECULE
HYDROGEN BONDS ARE ---- ----

---- AREAS OF MOLECULES BOND WITH OTHER ---- AREAS OF OTHER MOLECULES
WEAK BONDS
WATER IS
A ---- ----
A ---- ----
LESS ---- IN ---- ---- THAN IN ---- ---
POLAR MOLECULE

UNIVERSAL SOLVENT

LESS DENSE IN SOLID PHASE THAN IN LIQUID PHASE (ICE FLOATS)
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