Multiple Choice Questions

Solution:
The atomic number is 29, so there are 29 protons. The

Which of the following are isotopes?  A. 14C and 13C B. 14C and 14N C. 14N and

Complete the following chart, in order from left to right

  A. 14,

For your reference

Answer

2) 70%
Solution
62.9X + 64.9 (1-X)= 63.5
-2.0 X = -1.4
X =

In the following diagram of a wave

  A. (a) is amplitude and

Using the figure below, categorize electromagnetic radiation with a wavelength of

Solution:
Replacing u with c (the speed of light) gives
c =

Which of the following wavelengths of electromagnetic radiation has the highest

Solution:
E = h x c/ λ
λ = h x

Extension to Higher Z

• The Bohr model can be extended to

Extension to Higher Z (cont.)

• Example 2: At what wavelength will

The electron in a hydrogen atom falls from an excited energy

The electron in a hydrogen atom falls from an excited energy

What is the difference between molecular weight and molar mass?

In practice,

Simplified Model

Orbital diagram

Na

1s 2s 2p 3s

Solution:
The number given in the designation of the subshell is the

Solution:
The principal quantum number n is 5 and the angular momentum