Given the following equation Zn(s) + HClaq) > ZnCl2(s) + H2(g)
How many grams of zinc (Zn) are needed to produce 250
grams of hydrogen (H2) ?

Estructura 7.2 completar repaso 1 - ¿lógico o ilógico? 1 - ¿lógico o ilógico? listen and indicate whether each question and response is lógico or ilógico.

Using the periodic table, complete the table to describe each atom. type in your answers.a ? b? c? d? e? f?

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?