Chem Test 9/26

The 2 equations used in Wave Calculaitons

The 2 equations used in Wave Calculaitons

v=f⋅λ and E=h⋅f

What does v stand for

wave speed

What does f stand for

frequency of wave

What does λ stand for

wavelength

What does E stand for

energy of a photon

What does H stand for

plancks constant (6.626 10^-34 J * s)

to find energy use what equation

e = h * f

what is speed of light in a vacuum?

3.00 * 10^8 m/s

what is the equation for wavelength with frequency

e = h * f

frequency with wavelength

f = v/ λ

what equatiom for frequency with given carried energy

f = e/h

state when all elecetrons of an atom are in loweest possible enrgy levels

ground state

how many electrons in s sublevels

2

how many electrons in p sublevels

6

how many electrons in d sublevels

10

how many electrons in f sublevels

14

a term describing outermost electrons in an atom

valence electrons

The three-dimensional region in space where an electron is likely to exist is called?

orbital[

process by which the core electrons partially block the attraction between the nucleus and the valence electrons

electron screening

What are the Noble Gases

• Helium (He)

  • Atomic Number: 2

• Neon (Ne)

  • Atomic Number: 10

• Argon (Ar)

  • Atomic Number: 18

• Krypton (Kr)

  • Atomic Number: 36

• Xenon (Xe)

  • Atomic Number: 54

• Radon (Rn)

  • Atomic Number: 86

• Oganesson (Og) (a synthetic element and only known in very limited quantities)

  • Atomic Number: 118