Hydrogen is a gas at a room temperature, but it is found with the alkali metals in group 1 (1a) on the periodic table. which is the most likely reason hydrogen is grouped with alkali metals?

For each of the following mixtures decide if filtering would be suitable to separate the substances. explain your answers. oil in water sugar in water sand in water chalk in water tea leaves in a cup of tea

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation: