Measurements
Used to measure volume, it has a long narrow cylindrical shape.
Graduated cylinder
Which is the oldest and most plentiful element in the universe?
Hydrogen
What role does the atomic number play in the periodic table?
Number of protons and tells us what the element is.
How many atoms are there of each element in the following:
Ca(NO3)2
Ca-1
N-2
O-3
What is the hottest planet in our solar system
venus
The basic unit of measurement for volume
Liter
Which has more mass, a proton or a neutron?
They are the same
Neon can not attract any electrons. Why?
It has a complete valence shell
What is the chemical formula for the compound titanium tetrachloride?
What color is the sunset on mars?
blue
How many mililiters is 2.475 liters
2475 mL
Which has more mass- a molecule of NaCl or a molecule of SiO2? Why?
SiO2- 60.083 amu
NaCl- 58.443 amu
Which has more valence electrons- Sodium or Potassium? How many do each have?
Same, one
The phase in which atoms no longer move is the
-Solid
-Liquid
-Gas
-None of the above
None of the above
What percentage of the total number of known animals are invertebrates?
95
What is the difference between mass and weight?
Mass is the amount of matter something has
Weight measures the downward force that gravity exerts on an object
118
Tin
Which color of light comes from a greater energy transition- red or blue?
Blue
If you have three molecules of Nitrogen dioxide (NO2) how many molecules of O2 do you have?
Zero
How many bones do sharks have in their body?
zero. instead, they have powerful, flexible cartilage.
A cup of sugar has a volume of 237 mL. What is the mass of the cup of sugar if the density is 1.59 g/mL?
376.8 g
Which has more atoms, a 1-gram sample of Carbon-12 or a 1-gram sample of Carbon-13?
Carbon-12
In a neutral atom of Uranium-235, how many electrons, protons and neutrons are there?
92, 92, 143
How many atoms of each element are there in the following:
3Sn(NO3)2
Sn-3
N-6
O-18
What is the largest desert on Earth?
Antarctica