Chemistry, 19.11.2020 16:00 leasincobe4327

How many valence electrons does calcium want to gain or lose to have a full outer shell?

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Chemistry, 22.06.2019 00:30, S4NCHEZ28

Sarah wants to know where in her garden chamomile would grow the best. she thinks chamomile will grow best in the corner of the garden that gets the most sunlight. to test her hypothesis, she decides to plant several groups of chamomile in her garden as an experiment. which of the following variables will sarah need to measure to know which group of plants grew best? a. the location of the plants b. the type of plants c. the height of the plants d. the amount of water she gives the plants

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Chemistry, 22.06.2019 08:00, stephstewart1209

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

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Chemistry, 22.06.2019 13:30, makenziehook8

Which is true of a liquid? it has a definite volume but not a definite mass. it has a definite mass but not a definite volume. it has a definite volume but not a definite shape. it has a definite shape but not a definite volume.

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Chemistry, 22.06.2019 19:30, christi05

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %