An element would contain only ONE TYPE of atom, so what would a compound contain?
Two DIFFERENT types of atoms
A new substance has been formed after a chemical reaction. Would this be a physical or chemical change?
Chemical change
If something is less dense than something else then would it float or sink?
Float
What is malleable and ductile?
metals
John is working on a lab and sees two beakers without labels. He isn't sure what kind of liquid is in each beaker. What should John do next?
Ask the teacher for further instructions
Which answer choice contains ONLY chemical compounds?
A. NH, KNO, Hg, Ne
B. Na, NaCl, Pb, CH2
C. H2O, CaO, HCl, CO
Physical
D=M/V or Density=Mass divided by Volume
What would be considered brittle?
Nonmetals
If something got into your eye, where would you go in the classroom?
eyestation
Which answer choice contains ONLY elements?
A. HCl, H2O, Pb, Hg
B. Hg, Ne, Fe, K
C. Fe, PO, HCl
A student has observed fizzing and bubbling. Based on the observations, which of these below would determine about the new substance formed by the fizzing and bubbling?
A. It was hot
B. It was a gas
C. It was magnetic
D. It was a conductor
What is the density in g/ml of a rock with a mass of 25 grams and a volume of 5 milliliters?
5
WHERE are metalloids located?
"staircase"
What would you do first if glass broke in the lab?
tell teacher
How many different elements are involved in the following reaction> C3H+KNO>3CO
5
A rotting apple would be an example of a chemical change or physical change.
Chemical change
Find the density of a mineral with a mass 14.0g and a volume of 2.0cm?
7.0g/cm
-dull
-insulators
should you be at other peoples station during lab
no
yes
When you are describing somethings appearance, you are using a physical property or chemical property?
Physical property.
If we are looking at a class of vegetable oil, water, and maple syrup and the veggie oil is on top, waters in the middle and maple syrup is at the bottom. What would maple syrup be? the most dense or least dense.
Most
List some properties of metals? has to be at least three
-conductors
-malleable
-ductile
-shiny
What is Ms. Babcocks first name :)
Kourtney