Which property of matter is conserved in chemical reactions and shown by balanced equations? A. mass

B. volume

C. density

D. shape

What semimetal can form four single covalent bonds.

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc

Jose and eric were given four samples in lab. the results of their analysis are shown in the table. based on the data they collected, which sample is most likely a metal?