Unknown Element Identification Card

UNKNOWN ELEMENT IDENTIFICATION CARD

Instructions: You will be given a clue strip. ON A DIFFERENT PIECE OF PAPER As a group of four, come up with a group name and designate each person to one of the following tasks and complete the questions as best as you can based on the clue.

1.  Leader

2.  Writer

3.  Skeptic

4.  Translator

A.  Am I metal, metalloid, or non-metal?

B.  What’s my atomic number?

C.  What’s my atomic mass?

D.  How many electrons do I have?

E.  How many neutrons do I have?

F.  What’s my element name?

G.  What’s my element symbol?

H.  What Group am I in?

I.  What Period am I in?

After answering the questions above, please create my element using the index card and labeling it correctly: atomic number, symbol, element name, and atomic mass. Then tape me in the correct spot on the chart. Be prepared as a group to explain what information you used to correctly locate where I am on the periodic table. Was there any information that you didn’t use?

(teacher to cut out clues and give one to each group in lab without element symbol next to it)

I have one energy level and two electrons in that level. He

I have four energy levels and one electron in my last energy level. K

I have four energy levels and two electrons in my last energy level. Ca

I have two energy levels and eight electrons in my last energy level. Ne

I have two energy levels and seven electrons in my last energy level. F

I have three energy levels and three electrons in my last energy level. Al

I have four energy levels and seven electrons in my last energy level. Br

I have five energy levels and two electrons in my last energy level. Sr

I have five energy levels and seven electrons in my last energy level. I

I have six energy levels and four electrons in my last energy level. Pb

I have six energy levels and eight electrons in my last energy level. Rn

I have three energy levels and two electrons in my last energy level. Mg

I have three energy levels and six electrons in my last energy level. S

I have four energy levels and eight electrons in my last energy level. Kr

I have five energy levels and five electrons in my last energy level. Sb

I have six energy levels and one electron in my last energy level. Cs

I have six energy levels and seven electrons in my last energy level. At

I have three energy levels and six electrons in my last energy level. O

I have four energy levels and five electrons in my last energy level. As

I have seven energy levels and one electron in my last energy level. Fr

I have seven energy levels and two electrons in my last energy level. Ra

I have five energy levels with six electrons in my last energy level. Te

I have six energy levels and six electrons in my last energy level. Po

I have six energy levels with two electrons in my last energy level. Ba

I have four energy levels with four electrons in my last energy level. Ge

I have three energy levels with one electron in my last energy level. Na

I have four energy levels and six electrons in my last energy level. Se

Deeper Investigation- Reactivity.

1.  I am Lithium. I have three electrons. Draw my element symbol with my valence electrons represented as dots (Hint: what group do I belong to?). Do you think I would rather gain more electrons to complete my valence shell or lose the ones I have? Or is my valence shell already full?

2.  I am Fluorine. I have nine electrons. Draw my element symbol with my valence electrons represented as dots. How many more electrons can my valence shell accept to make it full? Would I rather gain electrons or lose the ones I have?