Subatomic Particles
Isotopes
Ions
Bohr Models
Mystery
100
What are the 3 subatomic particles found in an atom?
protons, neutrons, electrons
100
Isotopes of atoms of an elements with a different number of ______.
neutrons
100
How does an atom become an ion?
by gaining or losing electrons
100
Bohr Models show us the most likely location of _______ in an atom.
electrons
100
What is the dense, positively charged center of an atom?
nucleus
200
The atomic number of an element is equal to the number of ______ in the atom.
protons
200
What does the number next to the name of an isotope represent?
Example: Oxygen - 18
Mass number of the isotope
200
If an atom loses electrons, what happens to the charge of an ion?
it becomes positively charged.
200
What do we call the "rings" outside the nucleus that electrons orbit around?
energy levels
200
What is the charge for:
protons
neutrons
electrons
protons = positive (+)
neutrons = neutral (0)
electrons = negative (-)
300
Which subatomic particle has the smallest mass?
electrons
300
How many neutrons are in the isotope Nitrogen-17?
10 neutrons
300
If an ion has a charge of -2, what does this tell us about the ion?
it has gained 2 electrons
300
According to Bohr's Model, how many electrons can the 1st, 2nd, and 3rd energy levels hold?
1st = holds up to 2 electrons
2nd = holds up to 8 electrons
3rd = holds up to 8 electrons
300
What subatomic particle(s) are located in the nucleus?
protons and neutrons
400
Which subatomic particle is unique, and different for each element on the periodic table?
# of protons
400
Write the name of the isotope name for an isotope with 16 protons and 17 neutrons.
Sulfur- 33
400
Write the ion symbol for a Selenium ion that has gained 2 electrons
Se-2
400
How many energy levels will be present in a Bohr Diagram of element 9, Fluorine?
2 energy levels:
2 electrons in the 1st energy level
7 electrons in the 2nd energy level
400
What is the name of Mr. King's Cat?
Echo
500
How do we find the atomic mass of an atom?
# of protons + # of neutrons
500
Write the isotope notation for an isotope with 6 protons and 8 neutrons and 7 electrons (Ex. Helium-4)
Carbon - 14
500
How many protons and electrons will be present in the ion Li+1
3 protons
2 electrons
500
Draw a Bohr Model for element 13, Aluminum.
500
Daily Double
What subatomic particle is responsible for the VOLUME of the atom?