1. Question
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2. One property of most nonmetals is that they are
What is poor conductors of electric current?
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3. The magic number of electrons in chemistry is
What is 8?
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4. Making aluminum foil demonstrates this property of metals
What is malleability?
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5. What is a group or family?
On the periodic table, a column of elements is called this.
What is a group or family?
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6. Alkali metals are the most reactive of all the metals because they have this many electrons in their outermost energy level.
What is 1 electron?
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7. Chlorine is in Group 17. How many valence electrons does chlorine have?
What is 7?
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8. What is it’s a semiconductor?
These silicon is used to make computer chips. What property of metalloids makes it useful for this?
What is it’s a semiconductor?
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9. Each square on the periodic table includes an element’s
What are the atomic number, atomic mass, element symbol, and element name?
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10. What are elements as metals, nonmetals, and metalloids?
The zigzag line on the periodic table helps you identify
What are elements as metals, nonmetals, and metalloids?
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11. What is protons = 6, electrons = 6, and neutrons = 8?
How many protons, neutrons, and electrons does an element with a mass number of 14 and an atomic number of 6 have?
What is protons = 6, electrons = 6, and neutrons = 8?
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12. The first energy level is closest to the nucleus and can hold up to this many electrons
What is 2?
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13. What is a complete set (8)?
Atoms of one group of nonmetals, the noble gases, have this many electrons in their outermost energy level.
What is a complete set (8)?
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14. What are transition metals?
Groups 3-12 are commonly referred to as these.
What are transition metals?
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15. How many elements are in the first period of the periodic table?
What is 2?
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16. The second energy level can hold up this many electrons.
What is 8?
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17. This element is a gas at room temperature, and its atoms have six electrons in their outer level.
What is oxygen?
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18. An iron pot can cook your favorite foods on a stove because it has a high thermal ___.
What is conductivity?
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19. Of the following statements, this one is true about elements:
Every element occurs naturally
All elements are found in their uncombined form in nature.
Each element has a unique atomic number.
d. All elements exist in approximately equal quantities
What is C?
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20. The atomic number of Magnesium is this.
What is 12?
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21. Chlorine, phosphorus, and nitrogen are all this kind of element.
What is nonmetals?
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22. Atoms in Groups 2 have this many valence electrons.
What is 2?
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23. Oxygen is in Group 16. How many valence electrons does oxygen have?
What is 6?
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24. On the periodic table, a row of elements is called this.
What is a period?
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25. This Greek philosopher gave us the name “atom.”
Who is Democritus?
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26. This is the English scientist who found that atoms combine in fixed ratios to form new substances.
Who is Dalton?
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27. What are protons and neutrons?
The most massive subatomic particles are these.
What are protons and neutrons?
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28. What is the mass number of an element?
Which of the following is not found on the periodic table?
The atomic number
The symbol
The mass number
d. The atomic mass
What is the mass number of an element?
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29. What are in energy levels?
Electrons in atoms are organized like this.
What are in energy levels?
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30. What are the protons and neutrons.
The nucleus of the atom contains these subatomic particles.
What are the protons and neutrons.
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31. The charge on a proton, a neutron, and an electron
What is +, 0, and - ?
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