What is decimal notation?
Method we use to represent measurements
What is attraction?
Force pushing 2 objects together
We refer to molecueles as
moles
How many elements are there
118 elements
Period#+OB=
outermost sublevel
Find where decimal goes then write in scientific notation
1,980,000,000hL
1.98x10^9hL
What is the average kinetic energy depended on?
Tempature
Amadeo Avogadro is
an italian physicist who began as a lawyer but found science intellectually stimulating
Top 4 elements in the human body
oxygen
Carbon
Hydrogen
Nitrogen
Each Orbital can hold
2e-
Write in scientific notation
(6.7x10^4mL)(1.2x10^3mL)
8.0x10^7mL^2
Convert 798mmHg to atm
1.1 atm
Endothermic reaction is
reaction which absorbs energy from sur
Write IN for an isotope of Palladium w/ 46p+ and 60n
106
Pd
46
Ec for Magnesium
EC= 1s22s22p63s2
Scientifict Figures
0.000590400L
6SF
Convert from 542 torr to kpa
72 kpa
Calculate # of Joules in 5.94 Cal
24.9 J
Evaluate #p+,#e-, and #n0
45
Sc
21
21p+,21e-,24n0
Silicon Ec
EC=1s22s22p63s23p2
Sci Not. Division
(2.6x10^12hs^2)
______________
(1.7x10^10hs)
1.5x10^2hs
(6.49x10^-5hs) + (7.32x10^-4hs)
7.97x10^-4hs
Calculate # of Cal in 810.9 J
193.8 Cal
Write IN for Zirconium w/ 53n0 and 40p+
93
Zr
40
Palladium Ec
EC=1s22s22p63s23p64s23d104p65s24d8