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BIO CHAPTER 2
N/A
19
Biology
Post-Graduate
02/03/2014

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Term
MATTER
Definition
REFERS TO ANYTHING THAT TAKES UP SAPCE
Term
SUBATOMIC ELEMENTS
Definition
NEUTRONS/PROTONS/ELECTRONS
Term
ISOTOPES
Definition
ATOMS OF THE SAME ELEMENT THAT DIFFER IN THE NUMBER OF NEUTRONS
Term
TWO TYPES OF BONDS
Definition
IONIC AND COVALENT
Term
ATOMS CAN?
Definition
GIVE UP/ACCEPT/SHARE ELECTRONS TO HAVE 8
Term
IONIC BOND
Definition
FORMS WHEN TWO ATOMS ARE HELD TOGETHER BY ATTRACTION BETWEEN OPPOSITE CHARGES
Term
IONS
Definition
CHARGED ATOMS
Term
COVALENT BOND
Definition
TWO ATOMS THAT HARE ELECTRONS
Term
STRUCTURAL FORM
Definition
USES STRAIGHT LINES
Term
MOLECULAR FORMULA
Definition
SHOWS NUMBER OF ATOMS INVOLVED
Term
REACTANTS
Definition
PARTICIPATE IN REACTIONS/LEFT OF THE ARROW
Term
PRODUCTS
Definition
MOLECULES FORMED BY REACTIONS -RIGHT OF THE ARROW
Term
EQUATION
Definition
BALANCED IF THE SAME NUMBER OCCURS ON BOTH SIDES
Term
POLAR COVALENT BOND
Definition
ATOMS DO NOT SHARE ELECTRONS EQUALLY
Term
HYDROGEN BOND
Definition
SLIGHTLY POSITIVE HYDROGEN OF ONE WATER MOLECULE
Term
PROPERTIES OF WATER THAT SUPPORT LIFE
Definition
SOLVENCY/COHESION/ADHESION/HIGH SURFACE TENSION/HIGH HEAT CAPACITY/HIGH HEAT OF VAPORIZATION/VARYING DENSITY
Term
HYDROPHILLIC
Definition
MOLECULES ATTRACTED TO WATER
Term
HYDROPHOBIC
Definition
MOLECULES NOT ATTRACTED TO WATER
Term
COHESION
Definition
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