Electrons & Protons
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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Atoms are small particles that cannot be ______________? | Atoms are small particles that cannot be created, divided, or destroyed. | you're doing great!!!
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What are electrons? | Negatively charged, found in electron clounds, and mass is almost zero. | you're doing great!!!
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What are protons? | Positively charged, found in the nucleus, mass is 1 amu | you're doing great!!!
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What are neutrons? | Have no charge, found in the nucleus, mass is 1 amu | you're doing great!!!
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What two particles make up the nucleus? | Protons and Neutrons | you're doing great!!!
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Is the protons the same as the atomic number? (T or F) | True | you're doing great!!!
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The element Gold (Au) has 79 protons and the atomic mass is 197; How many neutrons are there? | 118 | you're doing great!!!
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Electrons do or do not travel in definite paths. | Electrons do not travel in definite paths. | you're doing great!!!
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To get the number of neutrons, you subtract the mass number from the atomic number? (T or F) | True | you're doing great!!!
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Who stated that electrons can jump between levels? | Bohr | you're doing great!!!
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If there is 56 protons and 81 neutrons, what is the atomic mass? | 137 | you're doing great!!!
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What is a isotope? | An atom that have the same number of protons but have different numbers of neutrons. | you're doing great!!!
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Atoms of an element are not alike. (T or F) | False, atoms of an element are exactly alike. | you're doing great!!!
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Can atoms join with another atom to make a new substance? | Yes | you're doing great!!!
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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:
Greggo
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