Biology 2.1 and 2.2
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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| Atom | The smallest basic unit of matter
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| Element | On particular type of atom, and it can't be broken down into a simpler substance by ordinary chemical means
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| Compound | A substance made of atoms of different elements bonded together in a certain ratio.
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| Ion | An atom that has gained or lost one or more electrons
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| Ionic bond | What is formed through the electrical force between two oppositely charged ions.
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| Covalent bond | What form when two atoms share a pair of electrons
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| Molecule | Two or more atoms held together by covalent bonds.
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| Hydrogen bond | An attraction between a slightly positive hydrogen atom and a slightly negative atom, often oxygen or nitrogen
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| Cohesion | The attraction between molecules of a substance
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| Adhesion | The attraction among molecules of different substances is called adhesion
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| Solution | Is a mixture of substances that is the same throughout - it is a homogeneous mixture
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| Solvent | The substance that is present in the greater amount and that dissolves the other substance
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| Solute | A substance that dissolves in a solvent
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| Acid | A compound that releases a proton when it dissolves in water
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| Bases | Compounds that remove positive hydrogen atoms from a solution
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| pH | What a solutions acidity is measured in
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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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