Instructions: Use the periodic table to answer the questions below: 1) How many periods are there on the periodic table?
2) How many groups are there on the periodic table?
3) Which element is found in Group 2 and Period 3?
4) Which element is found in Group 17 and Period 2?
5) Which element is found in Group 10 and Period 4?
6) Which element is found in Group 18 and Period 6?
7) Which element is found in Group 1 and Period 7?
8) Which element is found in Group 14 and Period 6?

Fugu, also known as puffer fish, is a sushi delicacy that can also be lethal. puffer fish contain a powerful toxin that can kill an adult a few hours after ingestion. sushi chefs who prepare fugu must be specially trained because any contamination of the toxin-free areas of the fish can be deadly. recently this toxin has been put to good use, as scientists have discovered that a purified form of it can treat severe pain in cancer patients. this recent scientific discovery would fall under which area of chemistry? applied biochemistry pure organic chemistry pure physical chemistry applied inorganic chemistry

1) this is the structure in the cell nucleus that houses a cell's genetic information

The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide