The electronic configuration of an element is 1s^2 2s^2 2p^6. hkw many valence electrons does it have

A+b→2c when the reaction begins, the researcher records that the rate of reaction is such that 1 mole of a is consumed per minute. after making changes to the reaction, the researcher notes that 2 moles of a are consumed per minute. what change could the researcher have made to effect this change?

During which movies do spring tides new moon first quarter waxing gibbous waxing

An experimental procedure requires a 10 ml of acid to be dissolved