Mastering Biology
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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matter can't be broken down to other substances by | chemical reaction
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elements | substances that are made up of one atom ,
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organism are composed of | matter
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neutron | 0 charge
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proton | +1 charge
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made up of elements | matter
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matter | anything that takes up space
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compound | substances consisting of 2 or more different elements
combined in a fix ratio
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electron | -1 charge
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innermost electron shell can hold up to | 2 electrons
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uncharged atom | number of protons is equal to the number of electrons
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number of electrons in the outer most shells | determines the type of chemical reaction that an atom particpates in
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isotopes atom | atoms w same atomic number but different atomic mass
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if you change the number of protons | it would change an atom into a different element
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covalent | type of bond joining the two hydrogen atoms
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molecule | two or more atoms help together by covalent bonds
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water molecule | joined to 4 other water molecules by hydrogen bonds
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natural elements | 92
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elements | Carbon, Nitrogen , Oxygen, Sulfur , Phosphorus, Hydrogen
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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.
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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:
ASIA17
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