can someone give me a website to where you can get all the answers from cause im trying to pas 5th grade

Find the protons, electrons and neutrons for strontium with a mass of 83

The organism shown is a free-living one that is anchored to the bottom of ponds and streams during one stage of its life cycle what is the common name for the group to which this organism belong

Categorize them by metal, nonmetal, in periodic tableductilenon-ductilemalleableoften gain electrons easilygood conductorpoor conductorcan be liquidselements