Chemistry, 04.09.2019 02:20 kingken3400
•what are the three layers of the biosphere? • troposphere, stratosphere, mesosphere • producers, consumers, and decomposers • food, water, and shelter • air, water, and land
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Chemistry, 22.06.2019 05:30
Which other elements contain the same number of outer electrons as sodium
Answers: 3
Chemistry, 22.06.2019 09:40
Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?
Answers: 1
Chemistry, 22.06.2019 12:30
In france, grapes are 1.95 euros per kilogram. what is the cost of grapes, in dollars per pound, if the exchange rate is 1.14 dollars/euro? (2.6)
Answers: 3
Chemistry, 22.06.2019 17:00
Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.
Answers: 2
•what are the three layers of the biosphere? • troposphere, stratosphere, mesosphere • producers, c...
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