Is the following equation balanced or unbalanced? c + h2 →ch4
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The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?

How much energy is made when a pice of wood burns. how do you know

Why do cells appear different in distilled water than they do in 10% salt water?