Chemistry
(Bolton)
Week 12
Monday 20 November
Tuesday 21 November
- grade
C5 MC questions
- wash
desks (soap & scrubbies)
- C6-1 pp. 161-163
- chemical bond
- valence electrons
- nucleus
- ionic bonding
- Na gives one electron to Cl:
- Na = [Ne]3s1
--> [He]2s22p6 --> Na+
- Cl = [Ne]3s23p5
--> [Ne]3s23p6 -->Cl-
- covalent bonding
- sharing of electron pairs
- polar
- nonpolar-covalent bond
- ĈEN of 0 to 0.3 (see p.
151)
- polar-covalent bond
- ionic
- homework
- read pp. 161-163
- p. 163 #1, 3 (use EN table
on p. 151), 4 (in notes)
Wednesday 22 November
- video:
ORIGINS "How Life Began"