Atomic Structure
The subatomic particle an atom is made up of.
What are protons, neutrons, & elections?
Widely known for creating the first periodic table
(Dmitri) Mendeleev
What changes in beta decay, atomic mass and/or atomic number? Specify how much they both change by?
What is atomic number increases by 1 and atomic mass remains unchanged?
This subatomic particle determines chemical bonding.
What is an electron?
What is the mass for each one:
protons
neutrons
electroms
proton 1 amu
neutron 1 amu
electrons 0 amu or relatively nothing
This subatomic particle represents the element.
What is a proton?
This type of decay emits the Helium nucleus.
What is alpha decay?
This orbital can hold 6 electrons.
What is the p orbital/p sublevel?
what is 6 protons?
Larger atomic radius
Na or Cl
What is sodium (Na)?
Rank these from most penetrating to least penetrating:
Beta, Gamma, Alpha
Gamma>Beta>Alpha
Bonus +200: What is the shielding for each one?
I am...
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁵
What is Bromine (Br)?
Bonus +400: Write the short-hand version on the board.
This atom has 15 protons and 18 electrons, Identify the element and its charge.
Phosphorus (P)
-3
Higher Ionization:
Mg or Al
What is aluminum (Al)?
Radon-222 undergoes alpha decay. Write the nuclear equation.
²²²₈₆Rn → ⁴₂He + ²¹⁸₈₄Po
An electron jumps from a lower energy level to a higher energy level, it must ______ energy.
What is absorb?
Which isotope has more neutrons:
Carbon-12 or Carbon-14
Carbon-14
Place these in order of increasing electronegativity:
Na, O, F, S,
Na<S<O<F
A radioactive isotope has a half-life of 5 hours. If you begin with 80 g and 10 g remain, how many hours have passed?
What is 15 hours?
Bonus +100: What is the amount of half-lives passed?
Which orbital has higher energy
4s OR 3d
What is 3d?
Bonus +600 pts: Why is the 4s orbital filled before the 3d orbital?