How many molecules are in 2.34 mol h2o?

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled

Which is a characteristic of the electron sea model for metallic bonding? molecular orbitals overlap to produce bands. electrons flow easily between metal nuclei. electrons are in fixed positions in the orbitals. atomic nuclei are arranged in an irregular pattern.

What does a numerical subscript following an element in a chemical formula mean?