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Forming Solids
Compounds
Bonds/Reactions
Chemical Formulas
Ch. 5 Grab Bag
100
Which are the best conductors of heat and electricity? a. semimetals b. gases c. metals d. noble gasses
What is c, metals
100
A _____________ is a pure substance that contains two or more elements
What is a compound
100
A __________bond is formed when atoms share electons.
What is a covalent bond
100
What is the name for the "ingredient list" of a compound.
What is a chemical formula
100
Most of the elements on the Periodic Table are ___________
What is metals
200
A ___________ is a regular, repeatinvg arrangement of ions, atoms, or molecules.
What is a crystal
200
Name an example of a compound that we discussed in class.
What is sodium chloride.
200
When an atom is the most chemically stable, how many electrons are in its outer shell?
What is 8
200
An artificial sweetener has a the formula: C13H16N2O5 Which element in the formula has the largest number of atoms?
hydrogen
200
___________ diagrams are used to show how many valence electrons an atom has.
What is Lewis dot
300
The ability of a substance to be pulled into wires.
What is ductility
300
Which represents a compound: NaCl He Ca
What is NaCl
300
The electrons in the outermost shell of an atom are called
valence electrons
300
The chemical formula for table sugar is C12H22O11. How many atoms are in this compound?
45
300
Elements on the periodic table share characteristics with other elements are are ______________
in the same group (column)
400
A ___________ is the smallest, repeating pattern that shows how the atoms, ions, or molecules are arranged in a crystal.
What is a unit cell
400
How many atoms of calcium are in Ca3PO4
What is 3
400
Which elements are the least likely to react with other elements?
What is noble gasses
400
What information can you learn about a compound from its chemical formula?
What is what elements it is made of and how many atoms there are of each
400
Where are the Noble gases located on the periodic table
What is the far right group
500
The ability of a metal to be hammered or rolled into sheets.
What is malleability
500
What do you need to know in order to draw a Lewis dot diagram?
The number of electrons in the outermost shell
500
What is the name of a bond when an electron is given away?
What is an ionic bond
500
How many atoms are in a molecule of table salt?
What is 2
500
__________ describes anything that consists of two parts.
What is binary