PLEASE HELP DUE IN 20 MINS I NEED HELP RIGHT NOW Which of the following sentences best describes what is shown in the above picture?
OA. a multicellular organism
ОВ.
cells of a multicellular organism
OC. a single-celled organism
OD
a group of single-celled organism

Determine the empirical formula of a compound containing 40.6 grams of carbon, 5.1 grams of hydrogen, and 54.2 grams of oxygen. in an experiment, the molar mass of the compound was determined to be 118.084 g/mol. what is the molecular formula of the compound? for both questions, show your work or explain how you determined the formulas by giving specific values used in calculations.

Nickel crystallizes in the face-centered cubic (fcc) lattice. the density of the metal is 8902 kg/m3. calculate the radius of a nickel atom.

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.