A block of metal was found to have the following properties, select the extensive property A. 3kg
B. Malleable
C. 13 g/mL
D. Silvery grey

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons