☰ Contents · Chemistry

Electron shells and energy sublevels

Lessons 9–10 · 2 lessons · I.R. Asqarov, K. G‘opirov, N.X. To‘xtaboyev. Chemistry Grade 8, revised 4th edition. “Yangiyul Poligraph Service”, Tashkent, 2019
Answers are for parents and teachers.
1
What is the maximum number of electrons in shell N (n = 4)?
2
Write the distribution of phosphorus (Z = 15) electrons over shells.
3
Write the full electron formula of sodium (Z = 11).
4
How many sublevels and how many electron places are in the second shell?
5
Why does the p sublevel consist of 3 orbitals?