How many atoms are there in 4.13 moles of nickel (Ni)

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

What is the common name for the compound shown here? enter the common name of the compound shown?

Which is a characteristic of the electron sea model for metallic bonding? molecular orbitals overlap to produce bands. electrons flow easily between metal nuclei. electrons are in fixed positions in the orbitals. atomic nuclei are arranged in an irregular pattern.