If an atom is located in the 3rd period, which of the following is true: a. it will have 2 energy levels. b. it will have 3 energy levels. c. it can hold a maximum of 8 electrons in the third energy level d. it can hold a maximum of 18 electrons in the second energy level e. it will be in the same row as magnesium
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When determining the shape of a molecule, it is important to draw a lewis dot structure first in order to see the total number a. electrons within the moleculeb. bonding and unshared pairs around central atomc. unshared pair within the molecule( i really need it )
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The biosphere of the earth is made up of what compound? organic or inorganic?
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If an atom is located in the 3rd period, which of the following is true: a. it will have 2 energy l...
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