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Atomic Structure
Periodic Table
Energy/Motion
P/Chem Changes
Potpourri
100
Phosphorus contains this many valence electrons ...
What is 5?
100
The halogens belong to this group ...
What is group 17?
100
Temperature measures the __________ of the particles in a material.
What is kinetic energy?
100
Freezing water and cutting wood are _______ changes.
What is physical ?
100
On the electromagnetic spectrum, _______ have the shortest wavelength. a. gamma rays b. radio waves c. x-rays
What is A - gamma rays?
200
A covalent bond forms when _________ join.
What are nonmetals?
200
The first Alkaline Earth Metal ...
What is Beryllium?
200
Stored energy is also known as __________ energy.
What is potential?
200
The liquid in a test tube has formed a precipitate, therefore this change has occurred...
What is a chemical change?
200
Fe + Cu(NO3)2 → Fe(NO3)2 + Cu is this type of reaction ...
What is single displacement?
300
These two atoms form an ionic bond a. carbon monoxide b. phosphorus trihydride c. magnesium oxide
What is C - magnesium oxide?
300
The total count of protons and neutrons is the a. mass number b. atomic number c. isotope
What is A - mass number?
300
The law of conservation of energy states the total amount of energy in the universe ...
What is remains the same? (Energy is never created nor destroyed.)
300
Matter with no definite volume and no definite shape ...
What is gas?
300
3 NaOH(aq) + H3PO4(aq) → Na3PO4(aq) + 3 H2O(l) The reactants are ...
What is 3 NaOH + H3PO4 ?
400
The correct name for N 2 O 3
What is dinitrogen trioxide?
400
This element reacts most similarly to Chlorine ... a. Sulfur b. Flourine c. Argon
What is B - Flourine?
400
Energy from the sun travels to Earth as a. chemical energy b. radiant energy c. mechanical energy
What is B - radiant energy?
400
The Statue of Liberty is made of copper and is now green in color because of a _____________ between metal and water.
What is a chemical reaction?
400
The reaction between an acid and base is a. exothermic reaction b. endothermic reaction c. neutralization reaction
What is C - neutralization reaction?
500
Oxygen forms this type of bond with itself ...
What is a covalent bond?
500
An isotope of Uranium is U-238. It has ______ number of protons and ______ number of neutrons.
What is 92 protons and 146 neutrons?
500
A velocity/time graph measures ____________, while a distance/time graph measures ___________.
What is acceleration and velocity?
500
Most matter _______ when heated, yet water is unique because it _______ when heated.
What is expands and contracts?
500
Mrs. Tugman stands with her bicycle at the top of a hill while admiring the sunset. After a few minutes, she decides to coast down the hill and return home to cook supper. 1. At what point does her bicycle have the greatest potential energy? 2. At what point does her bicycle have the greatest kinetic energy?
What is 1. top of the hill for greatest potential energy 2. bottom of the hill (just before stopping) for greatest kinetic energy?