What block does sodium belong to? s-block p-block d-block or f-block

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?

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

What three things determine the shape and size of a puddle when water is poured out onto a surface