Which of the following elements is not a transition metal?

a. copper
c. sodium
b. chromium
d. iron

Exit what is the density of an object having a mass of 5.0 g and a volume of 45.0 cm3?

Which diagram represents the phase tha occurs after a solid melts?

Pinene is an unsaturated hydrocarbon found in pine resin. if pinene has m+ = 136 and contains 1 double bond(s) and 2 ring(s); what is its molecular formula? enter the formula in the form ch first, then all other atoms in alphabetical order; do not use subscripts. the formula is case-sensitive