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chem exam 1 stack 2
chem 105 exam
Question | Answer |
---|---|
C to F | (F-32)(5/9) |
F to C | (9/5)(C+32) |
C to K | +273 |
K to C | -273 |
Same as atomic number if neutral | electron |
Allotrope | different forms of the same pure element in the same phase |
Group 8 | noble gas |
Group 1 | alkali metals |
Group 5 | pnictogens |
Group 6 | chalogens |
Group 7 | halogens |
Neutrons | determined by difference of mass number and atomic number |
Isotopes | forms of the same atom with a different number of neutrons |
Group 2 | alkaline earth metals |
7 chatomic elements | BrINClHOF |
Protons | same as atomic number |