Electrons in Atoms

1.1 Electron arrangement in atom. Electron configuration

Twig_Atoms.pdf

Worksheet

Atomic structure shells.docx
Atomic structure shells answers.docx

Literacy questions

1. Write electron arrangements of elements: Na, Mg, Al, Si, P, S, Cl, Ar, K, Ca.

2. Which ones of the elements above have similar chemical properties?

3. Why is helium He generally placed in a group 18 with neon Ne but has different electron configuration?

Quizzes for you!

1.2 Formation of ions

Formation of Na+ cation

Formation of Cl- anion

1.2 Writing chemical formula for compounds

Worksheet

13-formula WRITING.docx
cation anions.pdf
1.2 ATOM AND ITS STRUCTURE fill in the blank.doc
1.2 atom worksheet.docx