Which notation represents an atom of sodium with an atomic number of 11 and a mass number of 24

What is speed? Science A. Time per distance (hours per mile or seconds per meter) B. Distance per time (miles per hour or meters per second) C. Time (hours or seconds) D.

The ro - group is the nucleophile. think about which group in the alkyl halide (iodoethane) is the leaving group. keep in mind that the leaving group may be one atom or a group of atoms.

what volume would CO2 in problem 1 occupy at STP? problem 1's answer was 1.1x10^3 grams in 1.5x10^25 molecules of CO2

How many protons and neutrons do the two isotopes of carbon (c14 &c12) have

According to Kirchhoff's third law, when light from a blackbody having a continuous spectrum passes through a cool transparent gas, are observed in the continuous spectrum

Number of hydrogen atoms in NaC2HO4

Calculate the pH for an acid that has a [H+] of 5.8 x10^-11 M.

Complete the lewis dot structure for h2co (in which both h atoms are bonded to c).

Do substances have to be cold to freeze?

Which statement is true of the carbon atoms that make up a diamond? A. They can slip past one another slowly. B. They are always vibrating in place. C. They vibrate only when they are heated. D. They are locked in place and do not move at all.