Safety
Scientific Measurement and Calculations
Matter & Trends
Elements
Bonding
100
What would you use to capture smells to put in a filter to throw out?
Fume Hood
100
Convert 1000 g to kg.
1 kg.
100
What is matter?
Anything that has mass and volume
100
What is the atomic number of Neon?
10
100
Is H2 polar or non-polar?
non-polar
200
How many fire extinguishers are there and where?
Two, one under the flags and one next to the back door.
200
What is the term to remember Kilo, Heca, Deci, Base, Dag, Centi, Mili?
Kats Hate Dogs Because Dogs Can't Meow
200
As the wavelength of light increases, what happens to the energy emitted by that light?
It decreases.
200
What is the name of CaCO3?
Calcium Carbonate
200
What role do valence electrons play in covalent bonding?
They share 2 electrons in order to fill the outer shells.
300
You use this to call 911 in case of an emergency.
A telephone
300
How many sig figs does 0.0011 kg have?
2
300
Why is it important for chemists to know the shape and geometry of a molecule?
Shape defines properties.
300
What is the chemical formula for iron (111) oxide?
Fe2O3
300
When atoms are bonded together covalently, what three kinds of structures can result?
metal, non-metal, metaloid
400
How do you smell a chemical?
Wafting
400
How many significant figures does the number, 9010.0 have?
5
400
Adding salt to water is an example of what?
Chemical change
400
What is the formula for Nitric Acid?
HNO3
400
What is a double bond?
Two pairs of atoms that share electrons?
500
What do you use to put out fires on people or counters?
Fire Blankets
500
16 g -50 mg = ?
15.9995 g
500
Squishing play doe is an example of what?
Physical change
500
Love would be an example of matter or a non-example? Helium?
Love is a non-example, Helium is an example.
500
What kinds of compounds frequently show coordinate bonds?
Hydrogen and Oxygen
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