Which of the following statements about the periodic table's organization is true? (select all that apply.) it is organized by reactivity. it is organized by families. it is organized by atomic number. it is organized by atomic mass. it is organized by periods and groups.

At a temperature of 393 k, the temperature of a sample of nitrogen is 1.07 atm what will the pressure be at a temperature of 478 k

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

2-bromo-2-methylbutane undergoes an e1 elimination reaction in the presence of ethanol. in the next reaction only one of the possible products is represented. although the product shown is not the major product of the reaction, notice that there is more than one way it can be produced. complete the mechanism and draw the missing substances.