Atomul de clor conține in nucleuprotoni.

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)

Is 9 correct? and can someone me with 10? it’s due tomorrow, you

In order for a high temperature boiler or steam engine to produce superheated water, or steam: the heat source must be greater than 100°c the water must be permitted to evaporate quickly the system must be sealed and become pressurized above atmospheric pressure the vapor pressure must be kept below 760 mm(hg)