Download 16 1 Stanford Notes - Mayfield City Schools

16.1 Stanford Notes – Bonds
MAIN POINTS: Write a sentence summary of the
main point of each paragraph on the below pages.
Page 354
1 and 2.
Name ___________
Questions: Questions you should be able to answer
after reading.
1) Define Molecule (Look in glossary):
2) Molecules are held together by
a) Covalent bonds.
b) Ionic bonds.
c) Both a and b.
3.
3) How may atoms of Chlorine are in the carbon
tetrachloride molecule:
CCl4
4.
4) Which of the compounds has a chemical formula
C3H8?
Chemical Formula:
Vocab:
Chemical Bond:
Label the parts of the below chemical formula:
H2O
p. 355
1.
Covalent Bond:
1) True or false: Ionic compounds do not form
molecules.
2) How are electrons exchanged between
Potassium and Flouride when they form an ionic
bond?
2.
3) What will be the charge of a Boron ion?
3.
4.
5.
4) Predict the formula for Beryllium ionically
bonded to Fluoride.
Vocab:
Ion:
Ionic Bond:
p. 356
1)
1) Atoms form chemical bonds using?
2) Why do atoms form chemical bonds?
2)
3) 2 hydrogens bond to 1 oxygen to form water.
The water molecule has a lower energy than the
2 hydrogen and 1 oxygen atoms have when they
are not bonded together. Where does this
energy go when the atoms bond?
3)
Copy Figure 16.3 (no colors needed) and the caption
that goes with this figure:
4) Name 7 of the most reactive elements (use
symbols).
5) Name 5 elements that won’t react at all (use
symbols)
Questions:
polyatomic ion
binary compound
covalent bond
chemical formula
valence electrons
ion
ionic bond
chemical bond
Alkali metals
oxidation number
Noble Gases
molecule
1. H2O is the _________________ of water.
2. A(n) _________________________ is formed when atoms share one or more electrons.
3. A(n) _________________________ is formed when atoms transfer or share electrons.
4. A(n) _________________________ is formed when atoms transfer electrons.
5. A charged atom is called a(n) _____________________.
6. The electrons involved in chemical bonds are called _____________________.
7. Why do atoms form compounds instead of existing as single atoms? ______________________
_____________________________________________________________________
8. What do the subscripts 2 and 6 in chemical formula for ethane (C2H6) mean? ________________
_____________________________________________________________________
9. Which group of elements don’t usually form chemical bonds with other atoms? _______________
10. What do we call the particle that is a group of atoms held together by covalent bonds? __________
11. For each molecule listed below, tell how many of atoms of each element are in that molecule.
a)
b)
c)
d)
C6H12O6
CaCO3
Al2O3
B(OH)3