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Chemistry, 22.06.2019 02:00
The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?
Answers: 3
Chemistry, 22.06.2019 07:50
Which of the following electromagnetic waves can create ions?
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Chemistry, 22.06.2019 20:30
The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?
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Chemistry, 23.06.2019 03:30
Which of the following describes the entropy change as a solution is made from a liquid and solid
Answers: 1
Which set of atoms will form an ionic compound...
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