2.1 Terms
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 occupies space and has mass
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| Mass | the quantity of matter an object has
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| Element | substances that cannot be broken down chemically into simpler kinds of matter
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| atom | the simplest particle of an element that retains all of the properties of life
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| Nucleus | makes up the bulk of the mass of an atom(protrons+neutrons)
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| proton | a stable subatomic particle occurring in all atomic nuclei with a positive electric charge
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| neutron | a subatomic particle without a charge
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| atomic number | number of protons in an element
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| mass number | equal to the total number of protons and neutrons
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| electron | negatively charged particles
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| orbital | three dimensional region around the nucleus that indicates the probable location of an eletron
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| isotope | atoms of the same element that have a different number of neutrons
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| compound | made up of the atoms of two or more elements in fixed proportions
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| chemical bond | the active forces that hold atoms together
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| covalent bond | forms when two atoms share one or more pair of electrons
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| molecule | simplest part of a substance
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| ion | an atom or molecule in witch the number of electrons is not equal to the number of protons
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| ionic bond | because positive and negative electric charges attract each other, the sodium ion and the chloride ion attract each other. this attraction is called _________
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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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Created by:
Addaleigh
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