A horizontal clothesline is tied between 2 poles, 16 meters apart. When a mass of 2 kilograms is tied to the middle of the clothesline, it sags a distance of 2 meters.

Use examples from the article to explain one positive and one negative effect that chemistry has had on society

Which element in the third period would you expect to have the larger atomic radius, sodium (na) or sulfur (s)? a. sodium, because it has a higher effective nuclear charge attracting electrons in fewer energy levels. b. sodium, because it has fewer protons attracting electrons in the same energy levels. c. sulfur, because it has more protons attracting electrons in more energy levels. d. sulfur, because it has a higher effective nuclear charge attracting electrons in the same energy levels.

Blank allows you to do calculations for situations in which only the amount of gas is constant a)boyle's law b)combined gas law c)ideal gas law d)dalton's law