Answer:
To allow all the elements or compounds to separate complete.
Explanation:
In chromatography, the compounds need some space and time to separate, one from each other, if you just use the half of the paper strip maybe you will not notice the different spots of compounds. Remember all the substances have different affinity for the solvents, that means, some react very quickly but others need more time as the colors that conform the black color in an ink.
After ionization, sodium gains a net positive charge cuz sodium loses its 1 valence electron to gain the nearest stable octet which is neon{Ne}. Hope it helps
Answer:
Heat, in the form of thermal energy, naturally moves from warmer substances to colder ones. When the ocean is warmer than the atmosphere, it transfers heat — through conduction and radiation — to make the air warmer. ... This redistributes thermal energy and causes changes in the weather.
Answer:
U are a fool
Explanation:
Because you didn't even asked a question
