Adv Bio Ch. 2
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 | Anything that takes up space and has mass.
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| Element | Any substance that cannot be broken down to any other substance by chemical reactions.
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| Compound | A substance consisting of two or more different elements combined in a fixed ratio.
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| Neutron | A subatomic particle having no electrical charge.
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| Proton | A subatomic particle with a single positive electrical charge.
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| Electron | A subatomic particle with a single negative electrical charge.
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| Atomic Nucleus | An atom's dense central core, containing protons and neutrons.
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| Dalton | A measure of mass for atoms and subatomic particles.
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| Atomic Number | The number of protons in the nucleus of an atom, unique for each element and designated by a subscript.
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| Isotope | One of several atomic forms of an element, each with the same number of protons but a different number of neutrons thus differing in atomic mass.
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| Energy | The capacity to cause change,especially to do work.
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| Valence Electron | An electron in the outermost electron shell.
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| Covalent Bond | A type of strong chemical bond in which two atoms share one or more pairs of valence electrons.
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| Electronegativity | The attraction of a given atom for the electrons of a covalent bond.
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| Ion | An atom or group of atoms that has gained or lost one or more electrons, thus acquiring a charge.
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| Hydrogen Bond | A type of weak chemical bond that is formed when the slightly positive hydrogen atom of a polar covalent bond in one molecule is attracted to the slightly negative atom of a polar covalent bond in another molecule or in another region of the same molecule
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| Reactant | A starting material in a chemical reaction.
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| Product | A material resulting from a chemical reaction.
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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:
Mr.Devine
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