Chemistry is my favorite subject!
Is there a Chemistry II for me next year?
My Chemistry teacher is "da bomb"!
I'm so ready to smoke this Chem Final!
Do I have to leave Chemistry class Friday?
100
In the reaction represented by the equation 2Al2O3 --> 4Al + 3O2, what is the mole ratio of aluminum to oxygen?
What is 4:3?
100
An aluminum isotope consists of 13 protons, 13 electrons, and 14 neutrons. Its mass number is
What is 27?
100
2 atoms of the same element with different mass numbers
What is an isotope?
100
Elements in a group or column in the periodic table can be expected to have similar...
What is properties?
100
If repeated measurements agree closely but differ widely from the accepted value, these measurements are...
What is precise, but not accurate?
200
the building block of matter
What is an atom?
200
a substance with uniform composition throughout is a..
What is a homogeneous mixture or solution?
200
What is a 3 carbon hydrocarbon that contains only single bonds called?
What is propane?
200
A substance, made of two or more atoms that are chemically bonded, that can be broken down into simpler, stable substances is called...
What is a compound?
200
Name the following compound... HI
What is hydroiodic acid?
300
If the number of valence electrons is increased as you go across the PT from left to right. What happens to electronegativity...
What is increases?
300
Simplest, most refined version of a compound...
What is empirical formula?
300
What will be the products of the following reaction? FeCl2 + H20
What is -->Fe(OH)2 + HCl?
300
What is the highest energy level occupied by Cr
What is the 4th?
300
What is the chemical formula for Sodium Acetate
What is NaC2H3O2?
400
A chemical reaction involving substances A and B joined together to form a new substance AB...
What is a synthesis reactoin?
400
How many extra electrons are in the Lewis structure of the phosphate ion?
What is 3
400
Generally, nonpolar covalent bonds tend to form between...
What is 2 atoms of the same element/ 2 nonmetals ?
400
Which of the following is not a chemical change? rusting -----melting----- igniting -----burning
What is melting?
400
Which experiment did Rutherford use to detect the nucleus of an atom?
What is "the gold foil" experiment?
500
What is the percentage composition of CuCl2?
What is 47.27% Cu, 52.73% Cl?
500
If 1 inch equals 2.54 cm, how many centimeters equal 1 yard?
What is 91.4 cm?
500
How many moles of NaOH are present in 1200 g of NaOH?
What is 30 moles?
500
What is the noble gas configuration for potassium
What is [Ar]4s1?
500
The reaction represented by the equation 2HgO(s) --> is a decomposition reaction..., What are the products?
What is 2Hg(l) + O2(g)?
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