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Science test 3

QuestionAnswer
All elements in the same group have what two things in common? Same Valence electrons and same chemical properties.
All elements in the same period have what in common same number of electron shells
Which side of the periodic table are metals found on? Left side
Which side of the periodic table are non-metals found on? Right of stair step
The coefficient (Number before the element) shows how many ATOMS or MOLECULES? Molecules
The subscript (small numbers) shows the number of ATOMS or MOLECULES? ATOMS
More than one element combined is a.... Molecule
One capital letter represents an... Element
Which does an arrow point at in an equation? Reactants or Products? Product
Chemical Changes are indicated by the following reactions: Temperature change, solid precipitate formed, Gas produced, Odor Change, Color Change
Chemical reactions are represented by: Chemical Equations
States that matter is neither created nor destroyed, only rearranged. Law of conservation of mass
Chemical equations must follow which law? Law of conservation of mass
Created by: qricherson
 

 



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