Why are groups 1 and 2 referred to as the s-block of the periodic table

the physical properties of 10 grams of iron are the same as the ___ properties of 20 grams of iron a) reactive b) physical c) chemical

If climate change is brought under control, which of the following would be most likely? a. A decrease in ocean temperatures and a decrease in coral bleaching. b. A decrease in ocean temperatures and an increase in coral bleaching. c.

What is the oxidation state of phosphorus in the following compounds? a. Phosphoric acid b. Phosphorus pentoxide c. phosphine

What biome, sometimes called a prairi or veld, is hot, dry, and great for growing food?

If 300.0 grams of FeCr2O7 react, how many grams of O2 will be consumed

A gas obeys the ideal-gas equation of state P V = N k T, where N = n NA is the number of molecules in the volume V at pressure P and temperature T and n is the number of gm-moles of the gas.

76. Which of the following choices is not an example of an adaptation? A. Nocturnal animal species have large eyes. B. One member of a wolf litter is born with shorter legs than its siblings. C.

Which is more dense a pound of rice or a pond of cement

An essay that is 530 words over an experiment. EX. Coke vs Mento Invisible Ink

K2so4 is a strong electrolyte. determine the concentration of each of the individual ions in a 0.600 m k2so4 solution.