4 Imagine that a new alkali metal has recently been discovered and that it
fits into the Periodic Table below francium. We will call this new element
edexcelium.
a Explain whether you would expect edexcelium to be more or less dense
than francium.
b State how many electrons edexcelium will have in its outer shell.
c State the names of the products that will be formed when edexcelium
reacts with water.
d Explain whether edexcelium will be more or less reactive than francium.
e If the symbol for edexcelium is Ed, write a balanced chemical equation
for the reaction of edexcelium with water.
f When edexcelium reacts with water, will the solution formed be acidic,
alkaline or neutral?
g Write the formula for the compound formed when edexcelium reacts
with air. helpz
Answers: 1
Chemistry, 22.06.2019 22:30, lizzzzi7908
Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt
Answers: 1
Chemistry, 23.06.2019 04:20, tatta95
Which activity describes an application of topographic maps? check all that apply. recreation, such as camping and hiking engineering, such as the construction of roads and buildings science, such as mapping stars in the sky business, such as analyzing population centers science, such as analyzing surface features
Answers: 1
4 Imagine that a new alkali metal has recently been discovered and that it
fits into the Periodic T...
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