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Atoms
Signs and other Signs
Classification
Periodic Table
Balacing Act
100
Two parts of the atom
What is nucleus adn electron cloud?
100
An arrow in the middle of the equation means this.
What is yields or produces?
100
shiny, good conductor, malleable, ductile
What is a metal?
100
18 of these
What are groups?
100
1. Matter is not created or destroyed. It only changes its form to something else. 2. If there are 26 atoms on the left side of the equation, This many will be on the right side of the equation...
1. What is Law of Conservation. 2. The same number of atoms will exist even after a reaction has occured.
200
Charge of the nucleus
What is positive?
200
To combine CHEMICALLY in a chemcial equation
What is a plus sign?
200
Not good conductors of heat or electricity
What is a nonmetal?
200
There are 7 of these
What are periods
200
Something new was made and represented " here" in the equation.
What is the product?
300
The period on the periodic table places element in rows according to "this" part of the atom.
What are energy level rings?
300
combustion, or tarnishing.
What is a chemical change?
300
semi conductor
What is a metalloid?
300
The periodic table is arranged by these.
What is " by the number of protons".
300
"Their"atomic bonds are broken down and rearranged so they WILL make something new on the products side.
What are reactants?
400
This group has 6 valence electrons
What is the Halogen group?
400
Letter representing elements
What are symbols?
400
Magnetism, density, mass are ...
What are physical properties?
400
He was the first scientist to create teh first period table
What is Dimitri Mendeleev?
400
5 ClHP has this many atoms
What is fifteen atoms in this compounds? 5 Cl atoms 5 H atoms 5 P atoms
500
Same element but different number of neutrons
What is an isotope?
500
Letters and numbers together
What is a compound or formula?
500
Periodic table is made up of most of these kinds of elements.
What are metals?
500
Elements are grouped by the number of valence electrons and by this.
Similiar chemical properties
500
5 ClHP has this many elements
What is three elements? Chlorine, Hydrogen, Phosporous