Name: _____________________
Date:___________________
Subatomic Particle and Intro to Periodic Table Assignment (
/43M)
1.
What sub atomic particles contribute to the mass of an
atom?(Gives it weight) (1M)
2.
Is it possible for atoms of the same element to have different
numbers of protons? Yes or No (2M)
Why?
3.
Label the following diagram. Use the terms Element Name, Symbol,
Atomic Mass, Atomic Number (2M -0.5 marks each)
6
C
Carbon
12.01
4.
Determine the Atomic Mass and Atomic Number for an atom that
has 5 electrons and 6 neutrons. What element is this atom? (3M)
Atomic Mass: __________________
Atomic Number : _____________________
Element: ______________________
5.
An unknown element's Atomic Mass is 31 amu. Use the
,
information provided to determine the identity of the unknown
element. (3M)
# of protons ___________
# of electrons __________
_________
# of
neutrons
Name: _____________________
Date:___________________
6. Use your Periodic Table of Elements and the information provided to complete the following chart: (21M)
Element
1
Oxygen
4
Aluminum
5
Calcium
6
Sodium
7
Potassium
9
Silicon
Symbol
Atomic
Number
# of
protons
# of
electrons
Atomic
Mass
Rounded
Atomic
Mass
O
8
8
8
15.999
16
(show
work)
# of
Neutrons
16 - 8 = 8
10 Iron
7. What type of charge do the following subatomic particles have: (3M)
a) Protons ____________
b) Electrons ___________
c) Neutrons ____________
8. Where in the atom can you find the following subatomic particles? (3M)
a) Protons ______________
b) Electrons ______________
c) Neutrons _____________
9. Circle the smallest subatomic particle: (1M)
a) proton
b) electron
c) neutron
10. What is the symbol for the following elements.(2M)
Magnesium _________
Potassium __________
11. What are the names of the following: (2M)
Iron _______________
Au____________
Copper ____________
C _____________ Cl _____________
Sr ____________