Chemistry, 05.10.2019 10:30 makeda2010
Magnesium has two electrons in its valence shell, whereas chlorine has seven. which element is more likely to form a positive ion a magnesium b magnesium c chlorine d chlorine
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Chemistry, 21.06.2019 14:30
Find the protons, electrons and neutrons for strontium with a mass of 83
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Chemistry, 22.06.2019 14:00
What mass of natural gas (ch4) must you burn to emit 276 kj of heat?
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Chemistry, 22.06.2019 21:30
Electromagnets coils of wire paper clips picked up 10 3 15 6 20 9 25 12 ms. owens' class was studying magnets. ms. owens showed her students how to make an electromagnet using a nail, a d-cell battery, and plastic coated wire. the students wrapped the wire around the nail and then attached the ends to the battery. when they were finished, they tested their magnets by investigating how many paperclips their magnets could pick up. they also tested whether they could increase the strength of their electromagnets by using more coils of wire. they recorded the class average of their results in the data table seen here. ms. owens asked her students to graph their data in a line graph. how should the students label the x-axis on their line graph? a) size of battery b) number of paper clips c) number of coils of wire d) strength of electromagnet
Answers: 2
Chemistry, 23.06.2019 02:00
What causes the appearance of lines in a emission spectrum
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Magnesium has two electrons in its valence shell, whereas chlorine has seven. which element is more...
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