What happens when an oceanic plate collides with a continental plate

The missing component to the table to the right or indicated with orange letters complete the table by filling in the corresponding numbers or symbols

Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.

In which block of the periodic table is uranium (u) found? s blockd blockp blockf block