Chap.1 Flashcards
1
Q
What are the Si system?
What’s their abbreviation
A
G-giga M mega K kilo C centi M mili U micro N nano
2
Q
For Si system there are 10^x
What are they
A
G 9 M 6 K 3 C -2 M-3 U-6 N-9
3
Q
What are (is) material that need to report none of decimal in a lab? What are they look like?
A
Erlenmayer
Beaker
4
Q
What are (is) the material that needs to report 2decimal in lab? What are they look like?
A
Buret
Pipette
Volumetric flask
5
Q
What are (is) the material that needs to report 1decimal in lab? What are they look like?
A
Graduated cylinder
6
Q
How many digital you should report for an electronic device?
A
Report As many as it shown
7
Q
What consider as a significant figure?
A
Non-zero interger
8
Q
When are or is the case we consider 0 as SF?
A
Between the non zeros numbers
After non zeros numbers with a.
9
Q
When calculating, what should you do if its addition or substraction of numbers about SF?
A
Keep the least number of decimal as the known information
10
Q
When calculating, what should you do if its multiplication or division of numbers about SF?
A
Keep the least number of SF as known information
11
Q
Round 3.348 to2SF
A
=3.3
