What is the concentration of hydrogen ions in a solution with a pH of 2.36? Question 24 options:

a)

7.34x10-2 M

b)

4.37x10-3 M

c)

1x102.36 M

d)

6.95x10-3 M..

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.

The p sub shell can hold up to 8 electrons in an atom. true or false?

How many atoms are there in 5.70 mol of mg