3 years ago

Elements in the same group have similar properties because they have the same number of ?

Chemistry

2 answers:

Masja [62]3 years ago

8 0

Because their electronic configurations have the same number of electrons in the outermost shell.

solmaris [256]3 years ago

8 0

Elements in the same group in the periodic table have similar chemical properties. This is because their atoms have the same number of electrons in the highest occupied energy level. Group 1 elements are reactive metals called the alkali metals.

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The value of ksp for cui is 1 × 10−12. what is the solubility for cui?

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The solubility for CUi is calculated as follows
write the equation for dissociation of CUi

that is CUI ----> CU + + i -

Ksp= (Cu+) (I-)

let the concentration of CU+ be represented by x and also that of I- be represented by also x

Ksp is therefore= X2

x2 = 1x10^-12
find the square root x is therefore = 1 x10^-6

by use of mole ratio the solubity of CUi is therefore = 1 x10 ^-6

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