What is nuclear radiation? O particles and energy released from the an atom O a nucleus that gives off radiation O release of energy and matter O movement of electrons​

If the mass of the products measured 120g what would the mass of the reactants a. 30g b. 60g c. 120g d. 240g

How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?

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.