Subatomic Particles
The number of protons is ____________ to the number of electrons.
the same / equal
Density can be used to _____________ a substance.
a) Measure
b) Identify
c) React
Identify
Which subatomic particles are located inside of the nucleus?
Protons and neutrons
What is the song with the most streams on Spotify?
Blinding Lights (The Weeknd)
If an atom has 18 protons, how many electrons does it have?
Si un átomo tiene 18 protones ¿cuántos electrones tiene?
18 electrons / electrones
Name the 3 formulas for density.
Density = (mass)/(volume)
Mass = Density x Volume
Volume = (mass)/(density)
Draw an atom with 1 proton, 0 neutrons, and 1 electron.
STUDY GUIDE!
See board
True or False: I can wear a hoodie in school as part of my uniform.
False
Which subatomic particle is neutrally charged?
STUDY GUIDE!
Neutron
What is the density of a substance with a mass of 20.5 g and a volume of 2.5 mL?
Density = (mass)/(volume)
8.2 g/mL
(20.5/2.5)
Which subatomic particle exists outside of the nucleus?
STUDY GUIDE!
Electron
What is Waters's favorite beverage?
Coca Cola
What charge does an electron have?
Negative
What is the volume of a substance that has a density of 10.5 g/mL and a mass of 31.5 g?
Volume = (mass)/(density)
3 mL
Draw an atom with 3 protons, 3 neutrons, and 3 electrons.
See board
What is the first day of Fall?
September 22
How many protons does an atom have if its atomic number is 10?
¿Cuántos protones tiene un átomo si su número atómico es 10?
10 protons / protones
The density of pure silver is 10.5 g/mL.
If a ring has a mass of 30.5 g and a volume of 2.9 mL, is the ring pure silver?
Explain using your density calculation as evidence.
STUDY GUIDE!
Density = (mass)/(volume)
Draw an atom with 5 protons, 4 neutrons, and 5 electrons.
STUDY GUIDE!
See board.
What is the difference between an atom and an element?
An atom is a single particle, elements are a substance made of only one type of atom.