How can an atom that has seven valence electrons complete its outermost level

Given that an electromagnetic wave is generated by an oscillating electron, how are the frequency of the wave and the oscillation frequency of the electron related? A.

The ideal gas law measures volume in___.

Which combination of atoms can form a polar covalent bond?

What is the percent by volume of ethanol, when 35 mL of ethanol is added to 50 mL of water?

What unit is used to measure cell potential? A. electron Kelvin oxidation number OD. volt

Tina has a sample of gaseous water at a temperature of 400 C and a pressure of 4 atm. If Tina increases the pressure to 200 atm, will the gaseous water liquefy? Why or why not?

Label the molecular shape around each of the central atoms in the amino acid glycine. hint

Which has more atoms, 2moles of carbon or 2 moles of aluminum

At 100 degrees c, water reacts with acetic anhydride to make acetic acid. also, at 100 degrees c, water reacts with acetylsalicylic acid and reverts it to salicylic acid and acetic acid.

What is the valence electron configuration of the group 2a elements?