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Chemistry, 21.06.2019 18:20
Complete the table for ion charge based upon their losing or gaining electrons in the outer shell. (use the periodic table as necessary.) group most likely ionic charge # of valence electrons i +1 ii +2 iii +3 iv +4 or -4 v -3 vi -2 vii -1 viii 0
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Chemistry, 21.06.2019 22:30
Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial
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Chemistry, 22.06.2019 12:00
Explain what happens at the saturation point when adding salt to water at room temperature.
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Chemistry, 22.06.2019 16:20
When water dissolves sugar, which process is not involved? o dissociation o hydration o surface area of the solute increases sa
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A rock weighing 75.0g is placed in a graduated cylinder displacing the volume from 31.4 ml to 36.5ml...
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