The ground state electron configuration for sodium is:

a. 1s2 2s2 2p8.

b. 1s2 2s2 2p6 3s2 3p6 4s1.

c. 1s2 2s2 2p6 3s2 3p4.

d. 1s2 2s2 2p6 3s1.

In which part of the Milky Way galaxy is our sun located? halo bulge center spiral

The ease which an acid or base dissociates in a solution refers to a. strength b. concentration c. saturation d. indicator

How many moles of air are necessary for the combustion of 5.00 molmol of isooctane, assuming that air is 21.0% O2O2 by volume?

Certain types of organisms such as fireflies and anglerfish can produce light through chemical reactions in a process called bioluminescence.

A marshmallow gets black when toasted too long in a campfire. chemical property or change

The wavelength of some violet light is 420.0 nm. What is the frequency of this violet light?

What is the molarity of 3.0 L of solution containing 4.0 moles MgO

I need to have a sentence with the word neap tide in it.

15 g of gold and 25 g of silver are mixed to form a single-phase ideal solid solution. How many moles of solution are there? What are the mole fractions of gold and silver? What is the molar entropy of mixing? What is the total entropy of mixing?

What mass of barium nitrate is dissolved in 21.29 mL of a 3.38 M solution?