Name:______Chemistry WS 1

Block:______

Subatomic Particles: Protons, Neutrons, and Electrons

1.  The Atom and Subatomic particles:

On the following diagram please label the following:

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Common ion charge

Other ion Charge

Name

Symbol

Atomic Number

Average atomic Mass

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25  2+
3+
4+
Mn
Manganese
54.9

2.  Use the following squares on the periodic table to fill in all of the information below:

a.

8 2-
O
Oxygen
16.0

i.  Atomic Number______

ii.  Ion Charge ______

iii.  Name of Element ______

iv.  Average Atomic Mass ______

v.  Number of Protons ______

vi.  Number of Neutrons ______

b.

4 2+
Be
Beryllium
9.0

i.  Atomic Number______

ii.  Ion Charge ______

iii.  Name of Element ______

iv.  Average Atomic Mass ______

v.  Number of Protons ______

vi.  Number of Neutrons ______

3

Name / Symbol / Electric Charge / Location / Relative mass
Protons
Neutrons
Electrons

4.  What is the difference between an atom and an ion?

Atom / Ion

5.  Fill in the following table:

Element name / Atomic Number / Ion Charge / Number of Protons / Number of Electrons / Number of Neutrons
Potassium / 19 / +1 / 19 / 18 / 20
Phosphorus / 15 / 0 / 15 / 15 / 16
3 / 0
2+ / 20
Nitrogen / 3-

6.  Fill in the following table please:

Atom/Ion / Atomic Number / Protons / Neutrons / Electrons
Neon Atom
Flourine Atom
Flourine Ion
Sodium atom
Sodium Ion
Potassium Ion
Magnesium Atom
Cobalt Atom
Germanium Atom
Aluminum Ion
Iodine Ion
Carbon Atom
Boron Atom

7.  Write rules for calculating protons, neutrons, and electrons.

Protons
Neutrons
Electrons
Symbol / Atomic mass / Number of Protons / Number of Neutrons / Number of Electrons / Charge
142Cs
46 / 60 / 46
I2- / -2
Md / 98
238U3+
Ba+2
K+
Os2+

8.  What does the term multivalent mean?

9.  Look on your periodic table. What are the four families listed?

10.  Fill in the following table! Thank you for doing all this chemistry goodness

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