Directions: The information below is from part of the Periodic Table of Elements. Use this information to answer the questions that follow. 1) How man...
Atoms and Molecules Worksheet Directions: The information below is from part of the Periodic Table of Elements. Use this information to answer the questions that follow. 1) How many protons, neutrons, and electrons are in each of the following atoms? Lithium (Li)
Magnesium (Mg)
Carbon (C)
Oxygen (O)
Chlorine (Cl)
p = ________
p = ________
p = ________
p = ________
p = ________
n = ________
n = ________
n = ________
n = ________
n = ________
e = ________
e = ________
e = ________
e = ________
e = ________
2) How many atoms are represented by the following chemical formulas?
a) Al2O3 _____________
b) C6H12O6 ____________
3) How many elements are represented by the following chemical formulas?
a) Al2O3 _____________
b) C6H12O6 ____________
4) Number of Fluorine (F) electrons: ___________
7) Number of Neon (Ne) electrons: ____________
5) Draw the proper number of electrons above. 6) Is Fluorine Stable? Explain:
8) Draw the proper number of electrons above. 9) Is Neon Stable? Explain:
_______________________________________
_______________________________________
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_______________________________________
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10) Fill in the chart below: ATOMIC
MASS
NUMBER OF
NUMBER OF
NUMBER OF
ELEMENT
NUMBER
NUMBER
PROTONS
NEUTRONS
ELECTRONS
Sodium
11
23
Calcium
20
20
Oxygen
8
8
Chlorine
35
18
Carbon
6
12
Neon
10
20
11) Ionic Bond Drawing: Fill in the two tables based on the number of electrons before and after bonding. Drawing Directions a. Add the correct number of electrons to each atom. b. Using an arrow, show the electrons that will be transferred.
12) Before bonding, are lithium and fluorine stable? Explain your answer. __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ 13) After bonding, are lithium and fluorine stable? Explain your answer. __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________
