An archeological artifact has a carbon-14 decay rate of 2.75 dis/min·gc. if the rate of decay of a living organism is 15.3 dis/min·gc, how old is this artifact? assume that t1/2 for carbon-14 is 5730 yr.1.42 × 104 yr1.209 × 10−4 yr6.16 × 103 yr1.03 × 103 yr

Which of the following statements is true about planck’s law

At room temperature what happens to the average kinetic energy of the molecules of a solid, liquid, and a gas

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.