What subatomic particles are atoms made of?
Protons & Neutrons
Atoms that have different amounts of neutrons are called:
Isotopes
What does the Hund’s Rule tell us about electrons for an atom?
when electrons fill a set of orbitals with the same energy (degenerate orbitals), each orbital receives one electron with the same spin before any orbital receives a second electron
A cation is an ion that is:
Pawsitive uwu
The Mass Number for an atom is equal to…
Protons + Neutrons
What are the rings that house the Electrons in an atom called?
Energy Levels/Shells
Let’s say we have an atom of Iron (Fe). It should have ____ number of electrons in its 3rd energy level.
14
Using the electron configuration for Xenon, how many electrons are in the 4th energy level?
1s22s22p63s23p64s23d104p65s24d105p6
18 Electrons
What charge will Oxygen (O) have as an ion, and is this an anion or a cation?
Anion
Double Jeopardy!!!
TBD
If the atom that we are working with has a neutral charge, if we know the element then what 2 subatomic particles will we know the number of?
Protons & Electrons
A sulfur atoms as a mass number of 33 and a charge of -2. What are its:
Protons
Neutrons
Electrons
16
17
18
Write out the Electron Configuration for Neutral Nickel (Ni)
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁸
Write out the Noble Gas Electron Configuration for Niobium (Nb)
[Kr] 4d⁴ 5s¹
What is Mr. Sauer’s Favorite Meta Deck in Clash Royale?
Golem Pump
If an atom has 78 protons, 124 neutrons, and 74 electrons, what is its mass number, charge, AND what element is it?
Platinum, 202, +4
Draw out the Aufbau Diagram for Na+
(show)
Write out the Electron Configuration for Arsenic (As) and then tell me how many shielding electrons and valence electrons it has!
1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p³
18 Shielding
5 Valence
Write out the Electron Configuration for Ca2+
1s²2s²2p⁶3s²3p⁶
Write out the Electron Dot Structure for Phosphorus (P) when it also has its common charge!
(p with 8 dots hombre)
In a nuclear reactor using uranium-235, the majority of neutrons are released instantly, while less than one percent are emitted later from decaying fission products. This small fraction of delayed neutrons is vital for what specific aspect of reactor control and safety?
What is controlling the speed of the chain reaction?
When was the Bohr model made
1913
Write out the Electron Configuration for Oganesson (As) and then tell me how many shielding electrons and valence electrons it has!
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s² 5f¹⁴ 6d¹⁰ 7p⁶
110 Shielding
8 Valence
Why does fluorine have a higher ionization energy than oxygen?"
because of its greater effective nuclear charge and smaller atomic radius
Which element is the Coolest and MOST reactive according to Krishn in the Alkali Metals
Caesium, Due to the blueness and explosions with water & air!