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Alien Periodic Table Problem: Imagine that inhabitants of another planet send a message to Earth that contains information about 30 elements. However, the message contains different names and symbols for these elements than those used on Earth. Your job is to use the information below to place each element in the correct spot on the alien periodic table. Can you tell which elements on the human periodic table these “alien” names represent? Alien Elements The noble gases are bombal (Bo), The lightest element of all is called pfsst wobble (Wo), jeptum (J), and logon (L). (Pf). The heaviest element in the group of Among these gases, wobble has the 30 elements is eldorado (El). The most greatest atomic mass and bombal the chemically active nonmetal is apstrom. least. Logon is lighter than jeptum. Kratt reacts with byyou to form table salt. The element doggone (D) has only 4 The most reactive group of metals are protons in its atoms. xtalt (X), byyou (By), chow (Ch), and quackzil (Q). Of these metals, chow has Floxxit (Fx) is important in the chemistry the lowest atomic mass. Quackzil is in the of life. It forms compounds made of long same period as wobble. chains of atoms. Rhaatrap (R) and doadeer (Do) are metals in the fourth Apstrom (A), vulcania (V), and kratt period, but (Kt) rhaatrap is less reactive than doadeer. are nonmetals whose atoms typically Magnificon (M), goldy (G), and sississ gain or share one electron. Vulcania is in are all members of Group 15. Goldy has the same period as quackzil and wobble. fewer electrons than magnificon. The metalloids are ernst (E), highho Urrp (Up), oz (Oz), and nuutye (Nu) all (Hi), terriblum (T), and sississ (Ss). gain 2 electrons when they react. Nuutye Sississ is the metalloid with the greatest is found as a diatomic molecule and has atomic mass. Ernst is the metalloid with the same properties as a gas found in the lowest atomic mass. Highho and Earth’s atmosphere. Oz has a lower terriblum are in Group 14. Terriblum has atomic number than urrp. more protons than highho. Yazzer (Yz) touches the zigzag line, but it’s a metal, The element anatom (An) has atoms not a metalloid. with a total of 49 electrons. Zapper (Z) and pie (Pi) lose two electrons when they react. Zapper is used to make lightweight alloys. Name: _______________________________________________ Date: ____________________________ Core: _________ Alien Periodic Table Write your suggestions for the proper placement of the alien elements in the blank periodic table below. Then answer the questions based on your answers. 1 18 1 2 13 14 15 16 17 2 3 4 5 1. List the Earth names for the 30 alien elements in order of atomic number. 2. Why did you need more than one clue to place most of the elements? __________________________________________________________________________________________ __________________________________________________________________________________________ 3. Which is the most reactive alien metal? _______________________ How do you know? __________________________________________________________________ __________________________________________________________________________________________ 4. Which is the most reactive alien nonmetal? _______________________ How do you know? __________________________________________________________________ __________________________________________________________________________________________ 5. Why could you use clues about atomic mass to place elements, even though the table is now based on atomic numbers? __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________
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