Balancing Act
Charges and compounds
Equations
Lab and Adopt an Element Review
Compounds
100
List three of the diatomic elements and give their chemical formula
Oxygen, O2 Nitrogen, N2 Hydrogen, H2 Fluorine, F2 Chlorine, Cl2 Bromine, Br2 Iodine, I2 Note: The numbers above are subscript
100
What metal atoms form when they lose valence electrons?
What are positive ions?
100
Number that is adjusted in order to balance an equation
What is a coefficient?
100
Substance that slows down a chemical reaction
What is an inhibitor?
100
The charge on an ionic compound
What is zero?
200
The number that is in front of a molecule/compound and tells you how many molecules you have?
What is a coefficient?
200
Tell what the chemical name would be for the following compounds and if it is ionic or covalent: Al2(SO4)3 N3O2 Fe2O3 NaCl Note: Numbers above are subscripts
Aluminum sulfate - ionic Trinitrogen dioxide - covalent Iron (III) oxide - ionic Sodium chloride - ionic
200
Number that is small, to the right and below a chemical symbol that tells you how many atoms.
What is a subscript?
200
The type of reaction with hydrogen peroxide (H2O2) as a reactant
What is a decomposition reaction?
200
What does a prefix in a chemical formula tell you about an element?
What is the number of atoms?
300
The number of atoms on both sides of a balanced equation must be?
What is the same number of atoms?
300
What are charged particles that form when atoms gain or lose electrons?
What are ions?
300
An arrow that points from the reactants to the product means.
What is yield?
300
The group that is the most reactive metal elements, the group that are unreactive elements and the most reactive non-metal elements.
What are the alkali metals, noble gases and halogens?
300
When a metal reacts with a nonmetal it makes?
What is an ionic compound?
400
The law that tells me that matter is neither created nor destroyed and that atoms are not lost in a reaction.
What is The Law of Conservation of Mass
400
2 Parts- The ending (suffix) is used for the names of negative ions formed when atoms gain electrons The ending used when there are 3 different elements present in the compound Must answer in order
What is "ide"? What is "ate"?
400
A chemical reaction that releases energy?
What is an exothermic reaction?
400
The number of dots shown in the electron dot diagram for the element Calcium, atomic number 20.
What is two?
400
If it is brittle, dissolves easily in water, has a high melting point and conducts electric current it is?
What is an ionic compound?
500
The number you NEVER change when balancing an equation.
What is the subscript?
500
The subatomic particle that determines how an atom will bond.
What is a valence electron?
500
Two part question The right side of an equation that tells what new substance was made. The left side of the equation that tells what goes in to the reaction.
What is the product and what is the reactant?
500
Magnesium + Oxygen gas yields Magnesium oxide- What type of reaction?
What is synthesis reaction?
500
Two part question: Carbon and Oxygen-- what type of bond? Lithium and Chlorine-- what type of bond?
C and O make Covalent bond Li and Cl make Ionic bond
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