Unit 1 A
Is Orange Juice a Homogeneous or heterogeneous mixture
Heterogeneous
How to tell the difference between Homogeneous and heterogeneous
Homogenous is smooth and heterogenous is a un even mixture
What are three main substances
Solid liquid gas
What is a Mole
A unit for measuring weight
What do you where over your face in the lab
Goggles
How many significant figures are in 6002
4 significant figures
Who discovered the periodic table
Democrietus
What is abcadras Number
6.022 x 10^24
What does CER stand for
A) cool ecosystem raid B) Claim Evidence Reasoning
C) Creepy Enormous Rats
B) Claim Evidence Reasoning
When you are taking the lab what do you do if something is spilled on you
You go to the teacher and then to the showers/eye wash
Which is fake
A) metalads
B) metaloids
C) metals
Metelads
What is the speed of light
3 x 10^8
What is the solution for density
D=M/V
What do you do when you want to smell the substance in a beaker
You tilt the beaker away from yourself and waft the smell towards yourself
Who made the planetary model
Neils Bohr
What is the unit for wave length
Lambda
How do you calculate 7 feet into miles
1ft-3yd
1yd-.91m
1069.34m-1mi
Why are sig figs important
They are used to help settle uneven measurements by given more precise answers
How were the elements originally ordered
By atomic mass
What is the correlation bet ween wavelength and frequency
Te smaller the frequency the longer the wavelength