you call that an acrostic poem/sentences.
You can make a few sentences with the word market. You can use the sentences "I am going to the market" and "The market prices are going down".
Electronegativity increases across (left to right) the periodic table and decreases on going down.
going down a group, electronegativity decreases going across a period, electronegativity increases
It's a term on how to commit suicide cutting your wrists. you kill yourself by cutting down your arm(down the river) not by going across the street(slashing across your arm)
Electronegativity increases across (left to right) the periodic table and decreases on going down.
The valency does not (or tends not to) vary going up and down a group. It varies going across a period.
Going down a group...electronegativity decreases Going across...electronegativity increases
dat boy hot- up and down
It's a sample sentence, or several sample sentences, but not a sample sentences. Sample sentences are sentences to help you understand the meaning of a word.
Depends: If it is coming down, air resistance If it is going across something, friction
People walking down the street are known as pedestrians.
You call it a flag (or if the note has the stem going down it could be the notehead).