In a water molecule, oxygen attracts electrons more strongly than the hydrogens do because an oxygen atom contains
more
in its nucleus.
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What does the process of natural selection involve

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume