1.8 Vir wie gee die ouers die verantwoordelikheid tydens hulle aand uit? (1)

1.2 Voltooi die sin.                    (1)   Dagboek van ‘n Wimp: Rodrick Regeer gaan oor ‘n gesin – ma, pa en drie seuns.    

What is the energy of light (in J) that is emitted when an excited electron in the hydrogen atom falls from n = 4 to n = 1? What is the value in the blank? (       ) x 10-18 J Write your work neatly on scratch paper, take a photo (crop to maximize the visibility), and submit it on F20 Ch. 7 Quiz Work module within 10 minutes after the F20 Ch. 7 Quiz submission.

What is the energy of light (in J) that is emitted when an excited electron in the hydrogen atom falls from n = 4 to n = 1? What is the value in the blank? (       ) x 10-18 J Write your work neatly on scratch paper, take a photo (crop to maximize the visibility), and submit it on F20 Ch. 7 Quiz Work module within 10 minutes after the F20 Ch. 7 Quiz submission.

How many electrons can be placed in a p subshell?

Write the electron configuration for sulfur.

Write all possible values for ml when l = 2. Type the value(s) below.

Useful info.  λ = h/mv E = hν 1/λ = RH(1/n12 – 1/n22) h = 6.626 × 10–34 J-s RH = 1.097 × 107 m–1 1 J = 1 kg-m2/s2 c = 3.00 × 108 m/s mass of an electron = 9.10938291 × 10–31 kg

Write all possible values for l (secondary quantum number) when n = 3. Type the value(s) below.

Calculate the energy of a photon of radiation with a frequency of 8.5 × 1014 Hz. What is the value in the blank? (       ) x 10-19 J Write your work neatly on scratch paper, take a photo (crop to maximize the visibility), and submit it on F20 Ch. 7 Quiz Work module within 10 minutes after the F20 Ch. 7 Quiz submission.