Download Bonding Day 1 Homwork Practice Problems

Name: _____________________________________ Date: _____________ Class period: ______
Unit: Chemical Bonding
“Bonding Basics” – Wksh #1
HOMEWORK!
Directions: Please answer each fill in the blank with the best answer. 
1. What are valence electrons? Why are they so important in chemistry?
2. Write the electron dot structures for the following elements:
a)
Cl
b)
S
c)
Al
d)
K
e)
Ca
f)
Ge
3. What is the octet Rule?
4. How many electrons must be lost or gained by each of the following atoms to attain a
noble gas electron configuration? (Be sure to indicate whether they are lost or
gained!)
a) Ca
__________________
b) Al
__________________
c) S
__________________
d) P ________________
e) Na _______________
f) Cl _______________
What charge would each element obtain when it becomes an ion?
a) aluminum ______
e) Iodine ______
b) lithium ______
f) phosphorus ______
c) barium ______
g) sulfur______
d) bromine ______
h) magnesium ______
5. Write the electron configurations for the following ions. Tell which noble gas each of
these elements is isoelectronic with.
a) Be+2
is isoelectronic with_____________
b) N-3
is isoelectronic with _____________
c) Cl-1
is isoelectronic with _____________
d) Rb+1
is isoelectronic with _____________