Unit 2 Periodic Trends
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is the positive particle located in the atom’s nucleus? | proton
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| What is the negative particle located in the atom’s orbitals? | electron
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| What is the neutral particle located in the atom’s nucleus? | neutron
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| What are the outermost electrons? | valence electrons
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| What is the center core of the atom? | nucleus
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| Which atom is most reactive, the atom with one valence electron or the atom with 8 valence electrons? | 1
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| What do valence electrons do (what is their role)? | create chemical bonds
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| How do you calculate protons? | atomic number
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| How do you calculate neutrons? | atomic mass - atomic number
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| Identify the following as a metal, nonmetal or metalloid….Be? | metal
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| Identify the following as a metal, nonmetal or metalloid….Si? | metalloid
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| Identify the following as a metal, nonmetal or metalloid….Al? | metal
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| Identify the following as a metal, nonmetal or metalloid….Ne? | nonmetal
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| Identify the following as a metal, nonmetal or metalloid….K? | metal
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| Identify the following as a metal, nonmetal or metalloid….O? | nonmetal
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| Identify the group and period for N. | Group 15 Period 2
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| Identify the group and period for Mg. | Group 2 Period 3
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| How many valence electrons would be found in Si. | 4
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| Predict the number of valence electrons found in F. | 7
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| Which would be more reactive…K or Ar? | K
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| Which would be more stable…Ne or Li? | Ne
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| Which group of the periodic table is the most reactive? Why? | Group 1 - only 1 valence electron
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| Which group of the periodic table is the most stable? Why? | Group 18 - all 8 valence electrons
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| Which group of the periodic table is the least reactive? Why? | Group 18 - all 8 valence electrons
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| Which group of the periodic table is least stable? Why? | Group 1- only 1 valence electron
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| What is the name of the elements found in group 18? | Noble Gases
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| What is the name of the elements found in group 2? | Alkaline Earth Metals
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| What is the name of the elements found in group 3-12? | Transition
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| What is the name of the elements found in group 1? | Alkali Metals
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| What is the formula for density? | mass/volume
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| A metal cube has a mass of 325 grams and a volume of 25ml. What is the density of the cube? | 13 g/ml
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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