Unit1 Atoms Review
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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| Name of the outermost electrons | valence electrons
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| What is the maximum number of electrons that the first energy level can hold? | 2
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| What is the maximum number of electrons that the 2nd or 3rd energy level can hold? | 8
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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 to valence electrons do (what is their role)? | chemical bonds
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| Where is a majority of the mass of the atom found? | nucleus
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| What two parts of the atom are found in the nucleus? | proton and neutron
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| How is atomic mass calculated? | sum of proton and neutron
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| Why do electrons not count into the atomic mass? | too small to count into the mass
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| Why is an atom electrically neutral? | It has equal protons(+) as electrons(-)
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| How do you calculate protons? | equals the atomic number
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| How do you calculate electrons? | equals the atomic number
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| How do you calculate neutrons? | atomic mass- atomic number
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| Calculate PEN for Phosphorus. | 15P, 15E, 16N
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| Calculate PEN for Carbon. | 6P, 6E, 6N
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| Calculate PEN for Oxygen | 8P, 8E, 8N
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| Calculate PEN for Argon. | 18P, 18E, 22N
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| Calculate PEN for Nitrogen. | 7P, 7E, 7N
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| An element’s Bohr model has 9 protons. Name that element. | Fluorine
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| An element’s Bohr model had 5 protons. Name that element. | Boron
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| Which scientist had the Bowling ball model and stated that everything is made of atoms? | John Dalton
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| Which scientist had the plum pudding model and state that they atom had + and – charges? | JJ Thomson
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| Which scientist had the nuclear model that identified the positively charged nucleus? | Ernest Rutherford
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| Which scientist had the Bohr model? | Neils Bohr
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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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