Chem 210 exam 1 Questions and Correct
Answers, Complete Solution 2024.
1 calories
4.184 joules
1kilogram
1000 grams
Specific heat
Energy required to raise temperature (j/g x change in temp)
1 regular calorie
1 kilocalorie/ 1000 calories
Group 1A
Alkali metals
Group 2A
Alkaline metals
Group 7A
Halogens
Group 8A
Noble gases
Group B
Transition elements
Nucleus composition
Protons and nuetrons
1 amu
1/12 mass of carbon 12
Proton mass
1.007 amu
Nuetrons mass
1.008 amu
Electron mass
.00055 amu
Atomic number
Number of protons
Mass number
Protons + nuetrons
Isotopes
Same number of protons/ different nuetrons count
Mass of isotope
(1) × (%/100) + (2) × (%/100)
Electromagnetic radiation
Energy travels thru space. (Light speed= 3.0 × 10 8m/s)
Radio wave microwave ir royg biu uv xray gamma ray
700 (low) - 400 (high)
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