Lec: Calculations Used In Anachem Flashcards
1
Q
Standardized system of units
A
SI units
2
Q
7 fundamental base units
A
Mass, length, time, temperature, amount of substance, electric current, luminous intensity
3
Q
invariant measure of the quantity of
matter in an object.
A
Mass
4
Q
the force of attraction between an
object and its surroundings, principally the earth
A
Weight
5
Q
It is always associated with specific microscopic entities such as atoms, molecules, ions, electrons, other particles, or specified groups of such particles as represented by a chemical formula
A
Mole
6
Q
It is the amount of the specified substance that contains the same number of particles as the number of carbon atoms in exactly 12 grams of 12C.
A
Avogadro’s number
7
Q
What is Avogadro’s number
A
6.022x10^23
