Chemistry, 26.11.2019 13:31 aesthetickait
Which element in period 3 on the periodic table is a metalloid? magnesium (mg) aluminum (al) silicon (si) sulfur (s)
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Chemistry, 22.06.2019 17:40
If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?
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Chemistry, 23.06.2019 10:30
Which of the following pairs of elements is most likely to form an ionic compound? a oxygen and fluorine b sodium and aluminum c calcium and chlorine d nitrogen and sulfur
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Chemistry, 23.06.2019 15:40
The table below shows the freezing points of four substances. substance freezing point (°c) benzene 5.5 water 0 butane –138 nitrogen –210 the substances are placed in separate containers at room temperature, and each container is gradually cooled. which of these substances will solidify before the temperature reaches 0°c? benzene water butane nitrogen
Answers: 2
Which element in period 3 on the periodic table is a metalloid? magnesium (mg) aluminum (al) silico...
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