My identity
Ionization energy
What is the energy to remove an electron from a neutral atom in its gaseous state?
Absorbed wavelengths in an atomic spectrum appear as this.
What are dark lines?
The more sure you are of a particle's position, the less sure you are of its momentum.
What is Heisenberg's uncertainty principle.
Hψ =Eψ describes the probability of finding an electron in a given region around the nucleus.
What is the Schrödinger's equation.
Magnetic moment quantum number defines this.
What is the orientation in space for electron clouds or distribution.
What are the electron orbitals in an atom.
A wave with high frequency has __________ wavelength, and __________ Energy.
What are short wavelength and high Energy.
World Quantum Day is April 14th because Planck's constant, which is in constant use, rounds to 4.14 x 10-15 eV s, short for electron this unit
What is Volt.
Schrödinger's equation demonstrates these three ideas.
1. uncertainty associated with the position of very small objects.
2. Very small particles could be present at different locations at the same time.
3. Very small particles are waves and particles at the same time.
The number of electrons that can occupy p orbitals.
What are six.
The pattern of wavelengths of light absorbed by a substance, appearing as dark lines on a bright background.
What is the violet light with wavelength between 380-450 nm.
The probability of finding an electron at any position.
What is electron density.
Eψ describes.
The name of the orbital with quantum numbers n=4 and l=1
What is 4p orbital.
This smallest unit of energy or matter, named from the Latin for "how much," and shown by Max Plank that energy was not continuous.
What are quanta?
This key concept allows us to describe electrons in orbits as standing waves, essential for Bohr's model.
What are matter waves?
Small particles display behavior that is similar to behaviors of waves, and possess a frequency even when they are in a "rest" or "ground" state.
What is Wave Particle duality.
The wave function Ψ describing the behavior of electron in a region of space around the nucleus has two parts.
What are the angular and the radial parts.
Aufbau Principle describes this.
What is the electron filling closest to the nucleus and follows increasing energy.
Electrons orbiting in stable shells are related to this in Bohr's model of an atom.
What is Plank's constant?
The frequency of a red laser traveling through solid glass and then air.
What is "it does not change".
Quantum objects with different momentum produce different ______________.
What are wavelengths or frequencies.
The wave function Ψ is specified by 4 inter-related quantum numbers denoted by these.
What are n, l, m, and s.
The force that an outer valence electron feels.
What is Feffective.
The longest wavelength of the Balmer series
What is 656.3 nm?
This specific element produces a prominent red line at 656 nm in the Balmer series when its electron transitions from the n=3 to the n=2 energy level.
What is Hydrogen.
To determine the position of a wave in a given time and space we add more waves, increasing this ----------.
The momentum uncertainty.
The shape of an orbital is described by the angular distribution of density, and for a given principal quantum number 4, it describes----------- orbitals.
What are l = 0,1,2, and 3 or s, p, d, f orbitals.
Core electrons of chlorine atom.
What are 10.
Which atom has the smallest atomic radius K or Ar?
What is Ar.
The orbital with highest filled energy orbital in Calcium ion if the ground state configuration of Calcium is [Ar]4s2.
What is 3p6 orbital.
He+ is larger than He2+ is explained by variability for this fundamental particle's ...............nature.
What is an electron, uncertainty, or Heisenberg's principle.
During this process loss and gain of electrons occur.
What is a chemical reaction.
The second ionization energy for Mg is much lower than the second ionization energy of Na.
What is the increasing Feff.
Cs and Po are in the 6th period but Po radius is smaller than Cs because of this.
What is increasing Zeff across a period.
The atoms in the main group non-metal atoms tend to gain electrons so that the same number of electrons as their nearest...........atom.
What is the Noble gas atom.
The uncertainty in prediction of properties in the transition metal elements such as accurate prediction of energies, redox potentials, and reaction potentials.
What are half filled and partially filled d orbitals.
Scientists use this to describe how electrons move around the nucleus.
What is the Quantum mechanical model.
Oxygen atoms with the same number of protons but different number of neutrons.
What are isotopes.
The atomic mass of an element with 11 electron, 12 neutrons and 11protons
What is 23 u.