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I have two questions about the periodic table: 1.) Which element is the exeption to the "zig zag line" that separates the metals and non metals? 2.) what is the last natural element? Thanks for the help.How well do you know the periodic table?homework help ?
1.a member of the boron family and is the most abundant metal in the earths crust.???..its not silcon or aluminum 2.a gas with 8 protons and 8 nuetrons? 3.a metal that is liquid at room temperature? its not galium or mercury 4.a member of the nitrogen family with 16 nuetrons. 5.first element in the forth period used in making fertilizer? 6.a member of the carbon family in the fifth period? 7.the head of the carbon family know as the basis of life? 8.a silvery white metal used to make salt? 9.a member of the alkaline earth metals used to make fireworks and medicine? 10.a noble gas with 2 electrons? 11.2nd most abundant element in the earhs crust with 14 nuestrons? 12.a transistion metal with 30 electrons used to make paint? 13.only element in the halide family that is a liquid?Answers to periodic table worksheet?
http://staff.fcps.net/jswango/unit3/periodicity/Periodic%20Table%20Worksheet.pdf does anyone have the answers to that? or the link to an answer key? thanks.Ideas for an ornament from Periodic Table?
My Chemistry class is having a "Chemistree" and we each got assigned an element from the Periodic Table to make an ornament. The ornament must have something to do with a physical property or a use of the element. My element is Strontium (Sr) and I'm having a hard time figuring out how I can make an ornament using it's physical properties or uses. Creativity is welcome :)Periodic table of the elements characteristics, HELP!!?
I have 13 questions about the periodic table of the elements! You don't have to answer all of them, but even if you can answer some of them it would be a GREAT help! 1. I am the metal present in the green pigments in plants which converts light energy to chemical energy. 2. I am the metal which is an important element in mortar, plaster, and Portland cement. 3. Unlike most etals, I allow X-rays to pass through me quite readily. you are likely to find me in the windows of X-ray tubes. 4. Bang! I am the element formed when a hydrogen bomb explodes. 5. Ring around the rosie! This element can join together in a variety of rings and chains. 6. Need a purgative? You get this metallic element in Epsom salts. 7. I am a colourless, odourless gas. When I burn, I form water. 8. I am also a colourless, odourless gas. I am used in enormous quantities in steel blast furnaces. 9. Give thanks for me. In the upper atmosphere I prevent ultraviolet rays from the sun from reaching the earth's surface and destroying life on earth. 10. Versatility is my name. There are more than two million compounds containing me. 11. Parlez-vous francais? The core of this metal derives its name from the village of Les Baux in France, where it was discovered in 1821. 12. Be careful! Small amounts of me are needed for plant growth, but large amounts are toxic, so I am found in both fertilizers and weed killers. 13. Guard your jewels! Emerald and aquamarine consist of the oxide of this element. THANKS SO MUCH.
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