Name:
Date:
Period:
Periodic Table Extra Practice Worksheet
Directions: Answer the following questions using the Periodic Table below.
1. How many protons, neutrons, and electrons are in each of the following atoms?
Element
Boron (B)
Sodium (Na)
Phosphorus (P)
Protons
5
11
15
Neutrons
6
12
16
Electrons
5
11
15
2. Which diagram best shows nucleus of beryllium? Circle the correct answer.
THE ANWSER IS D
3. Fill in the chart below from the data provided.
ELEMENT
ATOMIC
MASS
NUMBER OF
NUMBER OF
NUMBER OF
NUMBER
NUMBER
PROTONS
NEUTRONS
ELECTRONS
27
Aluminum
a.13
Hydrogen
e.1
f.1
Argon
i.18
j.40
k.18
l.22
m.24
n.12
o.12
Magnesium
12
b.13
1
c.14
d.13
g.0
h.1
18
p.12
4. How many atoms are represented by the following chemical formulas?
a. Al2O3
b. C12H22O11
5 ATOMS
45 ATOMS
5. How many elements are represented by the following chemical formulas?
a. Al2O3
PROTONS
b. C12H22O11
3 ATOM
MG
O
+12
8
ELETRONS -12
-8
NET
CHARGE
0
0
45 ATOMS
6. Magnesium Oxide (Mg O) is formed by an ionic bond between Magnesium (Mg) and Oxygen (O).
Fill in the table below to show the properties of Magnesium (Mg) and Oxygen (O) before bonding
7. Is Magnesium stable before bonding? NO
a. Explain your answer: BECAUSE IT DOES NOT HAVE 8 ELECTRONS IN THE LAST ORBIT.
8. Is Oxygen stable before bonding? NO
a. Explain your answer: OXYGEN ONLY HAS 6 ELETRONS IN THE OUT MOSET SHELL
9. Draw the atoms in the space below, showing their bonded state as Magnesium Oxide.
MG
+12
-12
+2
PROTONS
ELECTRONS
NET CHARGE
O
+8
-10
-2
10. Fill in the table below to summarize the ionic bond between Mg and O.
MG
O
PROTONS
+2
-2
ELECTRONS
-2
2
NET CHARGE
0
0
11. Explain the stability of Magnesium and Oxygen now that they have bonded and formed Magnesium Oxide.
THE IONS ARE DIFFERENT NOW SO THAT ICONIC BOND AQUARD BETWWEN THE MAFSENIUM
AND OXYGON IONS IN ALL DIRCTIONS