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15 Cards in this Set
- Front
- Back
when an atom loses an electron it becomes
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a positive charge
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an electronically charged atom or molecule is called a
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ion
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covelent bonds involve blank electrons and ionic bonds involve blanking electrons
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sharing, transferring.
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atoms that are not stable
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form chemical bonds with other atoms
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atoms are most stable when
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their outermost shell is full
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the body is made from 4 elements. What are they?
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carbon
oxygen hydgrogen nitrogen |
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what signifigance are atoms to elements
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atoms are the building block of elements
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molecule is two or more blank atoms combined chemically
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like
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compound is two or more blank atoms combined chemically
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different
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full valence shells blank form bonds
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do not
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bonding involes what
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interations between electrons in the outer shell (valence shell)
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anions are blank
cations are blank |
negative anions
cations positive and either donate or accept electrons |
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when do ionic bonds happen
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they form when electrons are completely transferred from one atom to another
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inert elements have blank valence shells and are blank
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inert elements have complete valence shells and are stable
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valence shells in reactive elements are blank and are blank
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their not full, and not stable in reactive elements
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