Which is a gas at room temperature?
A) aluminum
B) nitrogen
C) potassium
D) sodiu...
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Chemistry, 22.06.2019 05:20, barry14201
Identify and describe the three ways that mutations affect organisms.
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Consider the elements bromine and chlorine; which elements has a larger ionic radius ?
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Chemistry, 22.06.2019 08:00, wizz4865
Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next
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