PLEASE HELP!! 20 Points for Brainiest! Which element is a metal from the lanthanide series?

rutherfordium (Rf)
americium (Am)
mendelevium (Md)
dysprosium (Dy)

Asample of neon occupies a volume of 375 ml at stp. what will be the volume of neon if the pressure is reduced to 90.0 kpa? a. 422 ml b. 422 l c. 333 ml d. 333 l

3.) for each of the following compounds, draw the major organic product of reaction with hcl or naoh and circle whether the starting materials and products will be more soluble in organic solvent or water benzoic acid + hcl: benzoic acid + naoh: oh benzoic acid water/organic water organic fluorenone hс: fluorenone + naoh: fluorenone water/organic water/organic веnzocaine + hci: benzocaine + n»oh: h2n benzocaine water/organic water organic o=

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?