How are ions formed? Why do ionic compounds readily dissolve in water?
What will be an ideal response?
Ions are formed when one atom completely transfers one or more electrons to another atom. Because ionic compounds are made up of oppositely charged ions, water molecules readily dissociate them from each other, dissolving the ionic compound.
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Which of the following conditions must be correct for transformation to occur?
A. Temperature B. Ionic conditions C. Correct nutrient balance D. All of the answers are correct
When one oxygen atom shares two pairs of electrons with another oxygen atom, O2 is formed via a(n)
A. single covalent bond. B. double covalent bond. C. triple covalent bond. D. ionic bond. E. hydrogen bond.
In the overall equation for photosynthesis, six molecules of carbon dioxide result in six molecules of
a) glucose. b) water. c) oxygen. d) ATP.
Artificially constructed movement corridors
A) increase inbreeding. B) reduce dispersal. C) can be harmful because they allow for the spread of disease. D) can be harmful because they create isolated habitats.