Symbols (not real symbols) of some atoms are given. 817P,1840Q168P,2040R a) Find the atomic number and mass number of these elements. b) Which among these are isotopic pairs?​

Start an single atom tab. observe the decay of polonium-211. after each decay, press the reset nucleus button to watch the process again. write a description of alpha decay for po-211

Type the letter that represents the correct location for each particle type below.

Part 1: include important facts found through your research. part 2: include your visual display. include your summary of “the chemistry of water” from the national science foundation website. include your experiment. part 3: include responses to the reflection questions.