3. (3) Calculate the number of moles and mass of a 2.00L of 18.5M solution of concentrated sulfuric acid?

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.

What is a metal replacement reaction

Helium decays to form lithium. which equation correctly describes this decay?