Science Chap.2 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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| alkali metals | Group 1 elements in the periodic table. Very reactive
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| alkaline earth metals | Group 2 elements in the periodic table, all shiny, silvery white, somewhat reactive metals at standard temperature and pressure
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| atomic mass | the mass of an atom of a chemical element expressed in atomic mass units
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| atomic number | the number of protons in the nucleus of an atom and determines its place in the periodic table
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| Bohr model | the model of the atom where the nucleus of the atom is the centre of the atom and electrons are travelling in shells around the nucleus
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| chemical symbol | Hazard Symbols
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| electron shell | is the energy levels that electrons travel in
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| halogens | Group 7 elements that consists of reactive non-metallic element
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| metal | a solid material which is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity
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| metalloid | an element which have both properties of metals and non metals
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| multiple ion charge | an element which has different charges
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| noble gases | Group 8 elements and low reactive gases
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| non-metal | an element which is not a metal
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| valence electron | the electrons in a valence shell of an element
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| valence shell | the last shell which valence electrons travel in an atom
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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:
colinwong
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