Réponse publiée par: enrica11
i don know the answer...
mali kayo ng pinasukan
Réponse publiée par: meteor13
Valence elrctron(s) are found on the valence shell or outermost shell of an was from the quantum mechanical model
Réponse publiée par: cyrishlayno
Use a lancet and carefully drop a blood sample on a glass slide for smearing.
Use a syringe to extract a blood with an exact measure
How do laboratory tools help scientists and students in making observations?...