On the basis of electronegativity, which of these pairs of elements is most likely to form monatomic ions?

cl and na

k and rb

ba and ca

na and k

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.

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

Which statement describes james chadwick’s discovery.