Show:
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
The element that is found in fuels, plastics, tires and pencil graphite
What is carbon?
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 formula would be for the following compounds and if it is ionic or covalent: Aluminum sulfate Trinitrogen dioxide Iron (III) oxide Sodium chloride
AlSO4 - ionic N3O2 - covalent Fe2O3 - ionic NaCl - ionic Note: Numbers above are subscripts
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
Two part question: What does a prefix in a chemical formula tell you about an element? What does a Roman numeral tell you about an element?
What is the number of atoms and what the charge is on a transition metal?
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 gains or lose electrons?
What are ions?
300
An arrow that points from the reactants to the product means.
What is yield?
300
Two part question: What is sign of chemical change (yellow solid) that was produced by adding lead nitrate to potassium iodide? What type of reaction?
What is a precipitate and double replacement reaction?
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.
What is The Law of Conservation of Mass
400
What ending is used for the names of negative ions formed when atoms gain electrons
What is "ide"?
400
A chemical reaction that releases energy?
What is an exothermic reaction?
400
Four part question: What is the most abundant element in the Earth's crust? What is the most abundant metal in the Earth's crust? Where is titanium more abundant? What is the element found in sand and computers in large amounts? Choices: silicon, moon, earth, oxygen, aluminum (Must answer in correct order)
What is oxygen, aluminum, moon, and silicon ?
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