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31 Cards in this Set

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  • Back
GROUPS 13 - 16 CONTAIN ELEMENTS THAT INCLUDE WHAT GROUPS?
GROUP 1 AND 17
WHAT IS MEANT BY THE TERM "REACTIVITY"?
TENDING TO BE RESPONSIVE OR TO REACT TO STIMULUS
WHAT HAPPENS WHEN AN ATOM LOSES AN ELECTRON?
IT LOSES A NEGATIVE CHARGE AND BECOMES A POSITIVE ION
ELEMENTS IN GROUP 18 ARE KNOWN AS THE _______ ________. GIVE ON EXAMPLE.
NOBLE GASES EX: HE2 HELIUM
WHAT ARE VALENCE ELECTRONS?
ELECTRONS FOUND IN THE MOST OUTERSHELL
IONIC COMPOUND PROPERTIES
*HIGH MELTING POINTS
*HIGH ELECTRICAL CONDUCTIVITY
*HAVE (FORM) A CRYSTAL SHAPE "SALT"
THESE BONDS FORM BETWEEN METALS & NON-METALS
WHERE ARE THE METALLOIDS LOCATED IN THE PERIODIC TABLE?
ALKALI METALS, GROUP 1
IONIC BONDS:
TRANSFER VALANCE ELECTRONS & FORM A STABLE BOND.
WHAT HAPPENS WHEN AN ATOM GAINS AN ELECTRONS?
IT BECOMES A NEGATIVE ION (BECAUSE IT GAINS A NEGATIVE CHARGE)
DEFINE SUBSCRIPT
A DISTINGUISHING CHARACTER OR SYMBOL WRITTEN DIRECTLY BENEATH OR NEXT TO AND SLIGHTLY BELOW A LETTER OR NUMBER.
DEFINE CHEMICAL SYMBOL.
THE SYMBOLS IN THE PERODIC TABLE.
WHAT IS CONSERVATION OF MASS?
A PRINCIPLE IN CLASSICAL PHYSICS STATING THAT THE TOTAL MASS OF AN ISOLATED SYSTEM IN UNCHANGED BY INTERACTION OF ITS PARTS.
CONVALENT BONDS
*SHARE ELECTRONS (NO *TRANSFER OF ELECTRONS)
NON-METALS & NONEMETALS
*MOST COMMON MOLECULE
DEFINE CHEMICAL FORMULA
A RESPRESENTATION OF A SUBSTANCE USING SYMBOLS FOR ITS CONSTITUENT ELEMENTS.
DEFINE CHEMICAL EQUATION
A SYMBOLIC REPRESENTATION OF A CHEMICAL REACTION.
WHAT IS AN ALLOY?
SOMETHING ADDED THAT LOWERS VALUE OR PURITY.
WHAT GROUP ARE ALKALINE EARTH METALS? GIVE ONE SPECIFIC CHARACTERISTIC OF THE ALKALINE EARTH METALS AND ONE EXAMPLE.
GROUP 2
HARD
CALCIUM
GIVE TWO EXAMPLES OF TRANSITION METALS.
SILVER, GOLD
ELEMENTS IN GROUP 3 - 12 ARE CALLED WHAT KIND OF METALS?
TRANSITION METALS
ALL THE ELEMENTS WITH AN ATOMIC # GREATER THAN ___ ARE MANMADE.
93
WHAT IS THE DEFINITION OF THE ATOMIC NUMBER?
THE NUMBER OF PROTONS IN THE NUCLEUS OF AN ATOM.
WHAT IS AN ATOM?
THE SMALLEST PARTICLE OF AN ELEMENT.
DESCRIBE THE STRUCTURE OF AN ATOM.
THEY ARE A CERTAIN AMOUNT OF SHELLS AND THE DOTS ARE THE ELEMENTS. THE STUFF IN THE SHELL TELL WHAT THE ATOM IS AND HOW MANY ELEMENTS IT HAS.
WHAT IS AN ELEMENT?
A SUBSTANCE THAT CAN NOT BE BROKEN DOWN INTO ANY OTHER SUBSTANCES BY CHEMICAL OR PHYSICAL MEANS.
WHAT IS THE DEFINITION OF ATOMIC MASS?
THE MASS OF AN ATOM, USUALLY EXPRESSED IN ATOMIC MASS UNTIS.
BCNO GROUPS
NOW THEY ARE CALLED METALLOIDS BECAUSE THEY HAVE SOME PROPERTIES OF METALS AND NON-METALS.
LIST A CHARACTERISTIC OF TRANSITION METALS.
HARD, SHINY, VERY REACTIVE AND LESS REACTIVE METALS.
THE ELEMENTS AT THE BOTTOM OF THE PERODIC TABLE ARE KNOWN AS THE _____ _____ ELEMENTS.
TRANSITION METALS.
LIST & DEFINE 4 SPECIFIC PROPERTIES OF METALS.
1. HARDNESS (SOLID)
2. MALLEABILITY/MALLABLE (CAN POUND INTO SHAPES)
3. CONDUCTERS (TRANSIENT HEAT AND ELECTRICITY WELL)
4. DUCTILITY/DUCTABLE (CAN BE PULLED OUT OR DRAWN INTO A LONG WIRE)
WHICH GROUP CONTAINS THE AKALI METALS? WHAT ARE SOME EXAMPLES OF THEM? WHY ARE THEY ALL SO REACTIVE?
1. GROUP 1
2. HYDROGEN, SODIUM, POTASSIUM.
2. BECAUSE THEY ARE METALLOIDS.
COVALENT BOND
2 CHEMICAL BONDS FORMED WHEN 2 ATOMS SHARE ELECTRONS.