Number one and atom of element x contains 15 electrons and 16neutrons. (a) State the mass number of X.
(ii) Write the electronic configuration of X.
(b) Write the formular of a chloride of X. Pliz , it's urgent. ​

Jewelweed, a flowering plant, has seed pods that burst open when touched and forcefully eject their seeds. these structures are favorable because they a. can cause genetic changes to occur. b. prevent germination within the seed pod. c. aid in the dispersal of the species. d. attract insects that aid in pollination.

Agas occupies 475 cm^3 at 313k. find its volume at 367k. you must show all of your work to receive credit. be sure to identify which of the gas laws you will be using

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife