Chemistry, 11.01.2020 17:31 FailingstudentXD
Which statements are correct about silicon?
a metalloid
b atomic number is 28
c atomic weight is 14
d has similar properties as al and p
e has similar properties as ge
f belongs to period 3
Answers: 3
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Suppose the universe were completely empty except for one object-a solid sphere moving through space of 100 km/s. what sort of path would the object be moving in? explain your answer
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Chemistry, 22.06.2019 18:30
Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2β’2h2o sncl2β’4h2o sncl2β’6h2o
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Chemistry, 22.06.2019 21:30
What is happening when the water inside a kettle heats up and begins to boil
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Which statements are correct about silicon?
a metalloid
b atomic number is 28
...
a metalloid
b atomic number is 28
...
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