Explain the basis of covalent bonding identify the

Question

Part A:

1. Complete the following Crossword Puzzle-

ACROSS 3. Away from the midline of the body 5. Close to the origin of the body part or point of attachment of a limb to the body trunk 7. Toward or at the front of the body 8. The elbow is ____ to the shoulder 9. Toward or at the body surface

DOWN 1. A section that divides the body into left and right 2. Toward the head end or upper part of the body 4. The heart is contained in this subcavity 6. Cavity where the brain is located

Part B:

Chemistry Worksheet

1.  Atomic number equals the number of_____________ or ____________

     Atomic mass equals the number of _____________ + _____________

Using the periodic table, fill in the chart for each Atom (Round the atomic mass to the nearest whole number).

2. Carbon (C)

Atomic # = ______Atomic Mass = _________

# of Protons = ________# of Neutrons = ________# of Electrons = ________

# of Electrons in the valence shell? _____

3. Oxygen (O)

Atomic # = ______Atomic Mass = _________

# of Protons = ________# of Neutrons = ________# of Electrons = ________

# of Electrons in the valence shell? _____

4. Sodium (Na)

Atomic # = ______Atomic Mass = _________

# of Protons = ________# of Neutrons = ________# of Electrons = ________

# of Electrons in the valence shell? _____

5. Chlorine (Cl)

Atomic # = ______Atomic Mass = _________

# of Protons = ________# of Neutrons = ________# of Electrons = ________

# of Electrons in the valence shell? _____

6. Hydrogen (H)

Atomic # = ______Atomic Mass = _________

# of Protons = ________# of Neutrons = ________# of Electrons = ________

# of Electrons in the valence shell? _____

7. Nitrogen (N)

Atomic # = ______Atomic Mass = _________

# of Protons = ______# of Neutrons = ______# of Electrons = ______

# of Electrons in the valence shell? _____

8. Identify the following as synthesis, decomposition or exchange reaction

1.  
   1. 2HG + O₂ = 2HgO ____________________

1.  
   1. Fe²⁺ + CuSO₄ = FeSO₄ + Cu²⁺____________________

1.  
   1. HNO₃= H⁺+ NO₃^- _______________________

9.  Explain the basis of Ionic bonding. Give an example.

10.  Explain the basis of Covalent bonding. Give an Example.