Chemistry chapter 3
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 a subatomic particel? | is a very small particle that is a building block for atoms
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| What is an Electron? | is a subatomic particle that possesses a negative (-) electical charge
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| what is a Proton? | is a subatomic particle that possesses a positive (+) electrical charge
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| what is a Neutron? | is a subatomic particle that has no charge associated with it; taht is it is neutral
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| How are the subatomic particles within an atom arranged | all protons and all neutrons present are found at the center of an atom in a very tiney volume called the nucleus, however Electrons are on the outer edge in the extranuclear
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| what is the nucleus? | is the small sense positively charged center of an atom
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| what is a nucleon? | it is any subatomic particle found in the nucleus of an atom
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| the number of protons in an atom = what | Numer of electrons
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| what is the atomic number? | is the number of protons in the nucleus of an atom, (atomic number = number of protons = number of electrons)
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| what is the atomic number of B (Boron), and how many protons, and electrons are present | now lets remember atomic# = #of protons, also the atomic# is given at the top of each element of the periodic table so the atomic number, #protons, and #electrons for B, is 5
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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.
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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Created by:
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