Classify each example as an element a compound a heterogeneous mixture or a homogeneous mixture a pure drinking water

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.

In the reaction between a crushed antacid tablet and vinegar what gas is emitted

Stage in which a typical star has completely stopped fusion