What Element Am I?
Name:
Hr:
Answer each of the following questions by placing the name of the element on the first
line and the symbol for the element after the equal sign. Then fill in the blanks below
by matching the symbol to the corresponding question number to reveal a message.
1. I am an atom with 1 proton in my nucleus and a mass number of 1.
What element am I? _______________ =_____
2. I am an atom with 19 electrons.
What element am I? _______________ =_____
3. I have a mass number of 11 and 6 neutrons in my nucleus.
What element am I? _______________ =_____
4. I am an atom with an atomic number of 7.
What element am I? _______________ =_____
5. I am an atom with a mass number of 235 and 143 neutrons.
What element am I? _______________ =_____
6. I am an atom with 8 electrons surrounding my nucleus.
What element am I? _________________ = ___
7. I am an atom with 138 neutrons in my nucleus and 90 electrons surrounding my nucleus.
What element am I? _______________ =_____
8. I am an atom with 15 electrons and 15 protons.
What element am I? _______________ =_____
9. My atomic number that is twice that of aluminum.
What element am I? _______________ =_____
10. My atomic number that is 3 times that of arsenic.
What element am I? _______________ =_____
11. I am an atom with 39 electrons.
What element am I? _______________ =_____
12. I’m an atom with a mass number of 127 and 53 electrons.
What element am I? _______________ =_____
13. I am an atom with an atomic number that is 5 times greater than that of chlorine.
What element am I? _______________ =_____
14. I am an atom with an atomic number that is 6 times smaller than that of curium.
What element am I? _______________ =_____
15. I am an atom that has a mass number that is 5 times greater than the atomic number of
bromine. I also have 104 neutrons in my nucleus.
What element am I? _______________ =_____
16. I am an atom that has 42 electrons surrounding my nucleus.
What element am I? _______________ =_____
17. I am an atom that has a mass number that is twice as large as the atomic number for
protactinium. I also have 108 neutrons in my nucleus.
What element am I? _______________ =_____
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Ch 4: The Atom
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