B) Convert 270 cal to J
please help

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery

Hey can you me with this i really need y’all

I'm learning about the periodic tables and what each subject's configuration is. for example, hydrogen is 1s^1, but i don't understand how you get that. can someone me understand how to figure out how to figure this out? sorry if the question makes no sense, but it would really a lot if you could me understand! you so much if you can!