Atomic Structure
What is the charge of a neutron?
Zero
What is the definition of mass?
The amount of matter that makes up an object
What is the formula for density?
d=m/v
What are the 3 states of matter?
Solid, liquid, gas
What is the name of the process where ice becomes water?
Melting
Which subatomic particle has a charge of -1?
Electron
What is the definition of volume?
The amount of space an object takes up
What is the definition of density (in words not math)?
The amount of matter in a given space
Which state of matter has the lowest energy?
What temperature does water boil at (in Celsius)?
100 C
BONUS Question (50 Points): What is it in Fahrenheit?
What is the atomic number of lithium (Li)?
3
A graduated cylinder has 40 mL of water. A marble is added to the cylinder and now the graduated cylinder reads 45 mL. What is the volume of the marble?
5 mL
Which of the models shows a material that is the least dense?
C
Which state does NOT have a definite volume?
Gas
If you keep adding heat to a liquid, what will happen to it?
It will boil!
What is the mass number of an atom with, 5 protons, 3 neutrons, 5 electrons?
8
A basketball has a mass of 0.5 kg. What is the weight of a basketball on Mars? (gravity on Mars = 4 N/kg)
2 N
Dr. Carrasco's honey has a volume of 50 mL and a mass of 75 g. What is the density of the honey?
1.5 g/mL
Which of the following is NOT a liquid? Honey, Steam, Milk, Water
Steam
On the graph, what is the melting point of this substance?
36 C
If an oxygen (O) atom has a charge of +3, how many electrons does it have?
5
If the classroom has a volume of 280,000 L and a balloon has a volume of 14 L, how many balloons can fit in the classroom?
20,000
An 8 g block of metal has a length of 2 cm, a width of 4 cm, and height 2 cm. What is it's density?
2 g/cm3
Which picture represents a solid?
A
What happens to the temperature of a liquid when it is boiling?
It stays the same