7th Grade Vocab
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 | The make up of matter; in solid, liquid, or gas form
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| Element | When something is made up of only one kind of atom
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| Proton | Found inside the nucleus , it has a positive charge
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| Electron | Found on the outside of the nucleus, it has a negative charge
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| Neutron | Has equal mass to a proton but instead has no charge; also found in the nucleus
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| Nobel Gases | Found in Group 18, these are the inert elements, so they are very unreactive
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| Halogens | These elements are very reactive because of their 7 valence electrons, They are found in group 17 & most commonly form bonds with the alkali metals
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| Transitional Metals | These elements are found in groups 3-12 and are reactive while other may not be. it all depends on the element
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| Alkali Metals | These metals are very reactive because of their one valence electrons
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| Alkali Earth Metals | Found in the second column, these metals are slightly less reactivate, unlike the alkali metals
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| Alloy | A metal made by combining two or more metallic elements
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| Luster | Shiny
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| Ductile | Can be drawn into a thin wire
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| Malleable | Can be smashed without crumbling
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| Density | The degree of compactness of a substance; solidity, mass, thickness
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| Corrosive | Rusts
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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.
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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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