inside an atom
Isotopes
matter and stuff
Molecular weight
Nuclear Reactions
100
Identify the mass number of Nitrogen-14
What is 14?
100
What is the difference between Carbon-12 and Carbon-13?
What is one has 6 and the other has 7 neutrons?
100
Only one type of atom?
What is an element?
100
Formula for finding molecular weight
What is mass of isotope x average atomic mass?
100
Nuclear reactions demonstrates which law?
What is the law of conservation of mass?
200
What is the atomic number of Nitrogen-15?
What is seven?
200
Which isotope is more abundant: 6Li or 7Li if the average atomic mass is 6.937 amu?
What is 7Li?
200
Rubidium and helium not joined chemically
What is a mixture?
200
Molecular weight of H2O
What is 18.015 amu?
200
When chemical bonds are broken, what is released?
What is energy?
300
How many neutrons does Carbon-14 have?
What is 8?
300
If 6Li has a mass of 6.015 (7.59%abundance) and 7Li has a mass of 7.016 (92.41% abundance) what is the average atomic mass?
What is 6.937 amu?
300
Phosphoric acid
What is a compound?
300
Molecular weight of HCl
What is 36.46 amu?
300
How do you find the element formed from a reaction?
What is find the atomic number and use the periodic table to determine what it is
400
Where are electrons located?
What is outside the nucleus?
400
If 1H has a mass of 1.008 (abundance of 99.999) and 2H has a mass of 2.014 (abundance of 0.012%) what is the average atomic mass?
What is 1.008 amu?
400
Two or more different types of atoms joined
What is a compound?
400
Molecular weight of C2H5OH?
What is 46.07 amu?
500
Which two subatomic particles are equal in number?
What are the protons and electrons?
500
If 85Rb has a mass of 84.9118 (abundance of 72.17%) and 87Rb has a mass of 86.909 (abundance of 27.83%) what is the average atomic mass?
What is 85.46 amu?
500
The formula for Hydrogen chloride
What is HCl?
500
What is the molecular weight of 2 molecules of H2O?
What is 36.03 amu?
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