Awoman dissolves sugar into a cup of tea. is this an example of a physical change or a chemical change? explain.

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.

Why is nh3 classified as a polar molecule

Calculate the mass of carbon in 97.0 g of sucrose c12h22o11