Most likely to break apart a rock

Metals are known to have abundant free electrons. A metallurgical scientist wants to detect the presence of metals in a rock sample.

The binding of oxygen to fe^{2+} in the first heme pushes the iron ion out of the porphyrin ring, decreasing the affinity for the second oxygen. True / False.

If the vapor pressure of an aqueous solution containing 6.00 moles of a nonvolatile solute has a vapor pressure of 19.8 torr, and given that the vapor pressure of water at room temperature is 23.

In which specific subshell is the highest energy electron in Ga found?

Which situation would violate the octet rule? 3 bonds to boron 3 bonds to and a lone pair on oxygen 5 bonds to carbon 3 bonds to carbon

Mid - ocean ridges normally form where tectonic plates are A. converging B. diverging. C. Stationary. D. sliding past each other

Identify the atom with a ground state electron configuration of 1s22s22p63s23p2

According to one acid-base theory, NH3 acts as a base when an NH3 molecule A) accepts an H+ion B) donates an H + ion C) accepts an OH-ion D) donates an OH - ion

How do the first ionization energies of main group elements vary across a period and down a group?

How many electrons does boron lose when forming a ion? A. 1 B. 2 C. 3 D. 4 (NOT D)