Explain HOW this chemical reaction is NOT balanced correctly. SiF4 + 2 H2O --> H4SiO4 + 2 H2SiF6

For the following, determine the type of reaction and then give products.

Two atoms interact with each other as shown by the equation. complete the equation by filling in the missing parts. 1 2 3 4 5 h he li

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?