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Covalent and Ionic Bonding
Unit 2 Section D
23
Chemistry
10th Grade
05/28/2009

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Cards

Term
Diatomic atoms are held together by a __________ bond
Definition
Covalent
Term
Group 5A has a ______ charge
Definition
-3
Term
Different forms of an element that have distinctly different chemical or physical properties are called
Definition
Allotropes
Term
Which of the elements can be added to silicon to improve its conducting characteristic
Definition
Arsenic
Term
A nickel is made of an alloy of _______ and _______
Definition
Nickel and Copper
Term
Which substances are made of carbon
Definition
Fullerene, Pencil lead, Diamond, Coal
Term
Carbons have a __________ charge
Definition
Positive
Term
An example of a semi-conductor would be
Definition
Germanium
Term
A ________ bond is formed by a shared pair of electrons between atoms
Definition
Covalent
Term
When an atom gains electrons in an energy level so that it is like its nearest noble gas and has the same number of electrons as its nearest noble gas, that atom is said to be
Definition
Isoelectric
Term
___________ is the measure of an atoms attraction for electrons in a chemical bond
Definition
Electronegativity
Term
All of these items are are examples of a covalent bond
Definition
Paper, Plastic, Plant Matter, Every tissue in your body
Term
The bond between metals and non metals is an _______ bond
Definition
Ionic
Term
Group 3A has a ____ charge
Definition
+3
Term
A solid solution of two or more metals is an
Definition
Alloy
Term
Adding impurities to silicon to improve its conducting ability is called
Definition
Doping
Term
What material may be used in the future to act as a cage delivering medicine within the body?
Definition
Fullerenes
Term
Diamonds have a _______ and _______ structure which provides a pattern that can be extended indefinitely
Definition
Simple and Regular
Term
A penny is made from an alloy of ______ and _______
Definition
Zinc and Copper
Term
Bonds in which two atoms share electrons are called ______ bonds
Definition
Covalent
Term
When one atom is significantly more electronegative than another the bond between them is said to be
Definition
Polar
Term
In Group 7A an element would have a _____ charge
Definition
-1
Term
List the diatomic atoms
Definition
Oxygen, Nitrogen, Hydrogen, Bromine, Fluorine, Chlorine, Iodine
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