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Elements and the Periodic Table

Elements and the Periodic Table. (IC Chapter 3 Test Review). What did Rutherford’s gold foil experiment lead him to believe ?. That an atom’s positive charge must be clustered in a tiny region in its center. How did Mendeleev arrange the elements on th e periodic table ?.

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Elements and the Periodic Table

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  1. Elements and the Periodic Table (IC Chapter 3 Test Review)

  2. What did Rutherford’s gold foil experiment lead him to believe? That an atom’s positive charge must be clustered in a tiny region in its center

  3. How did Mendeleev arrange the elements on the periodic table? Increasing atomic mass

  4. The atomic number of an element is based on what? The number of protons in its nucleus

  5. What can you predict from an element’s location in the periodic table? It’s properties

  6. Which elements on the periodic table are malleable, ductile, and can carry an electric current? Metals

  7. What are the two most common alkaline earth metals? Calcium and magnesium

  8. More than half of these elements, at room temperature, are gases. nonmetals

  9. What elements do not ordinarily form compounds? Noble gases

  10. Beta radiation consists of particles that are identical to these? Electrons

  11. Why do measurements of half-life make radioactive isotopes useful? For determining the ages of rocks and fossils

  12. These are representations of an idea to help scientists understand what they cannot observe directly. models

  13. What is each element given on the periodic table that usually consists of one or two letters? Chemical symbol

  14. What is a column of elements in the periodic table called? Group or family

  15. What property is displayed in elements that easily transmit electricity and heat? conductivity

  16. The series of electron orbits in whose model resemble planets orbiting the sun or the layers of an onion? Bohr’s

  17. According to what is the modern periodic table organized? Atomic number

  18. The horizontal rows represent what in the periodic table? periods

  19. Where on the periodic table are the nonmetals located? Right side

  20. What are atoms with the same number of protons and different numbers of neutrons called? isotopes

  21. GOOD LUCK!!!! Study! Study! Study!

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