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Chemistry, 23.06.2019 05:30
Suppose you discovered a new element with 120 protons and 2 electrons in its outer level . i'm what group does this new element belong? what properties would you expect it to have
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Chemistry, 23.06.2019 10:30
Most ionic compouds are crystalline solids at room temperature. true falseionic compounds are electrically neutral. true falseionic compounds generally have low melting points. true falsewhen melted, ionic compounds do not conduct electricity. true falsethe electrostatic attraction between an anion and a cation is an ionic bond. true false
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Chemistry, 23.06.2019 11:00
Asolubility table shows that almost all compounds of group 1 metals are soluble in water. this general rule tells you that mgi2 is soluble rbno3 is soluble cacl2 is soluble co2 is soluble
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Chemistry, 23.06.2019 11:30
Bridget is in science class. her teacher gives her two unknown substances and asks her to determine their relative ph. she places a piece of red litmus paper into both substances. the litmus paper turns purple when she places it into substance i. the litmus paper turns blue when she places it into substance ii. a. substance i is a neutral substance and substance ii is an acid. b. substance i is a neutral substance and substance ii is a base. c. substance i is an acid and substance ii is a base. d. substance i is a base and substance ii is a neutral substance.
Answers: 1
You need 180 ml of a 25% alcohol solution. on hand, you have a 30% alcohol mixture. how much of the...
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