Its period 5 from 5s25p6, with Xenon(54) as the noble gas. 2+6 = 8 electrons
54+8 = 62, or Sm.
Answer: I think the answer is C. NaCl and H2O
Explanation: I’m not sure tho
Some signs of a chemical change are a change in color and the formation of bubbles. The five conditions of chemical change: color chage, formation of a precipitate, formation of a gas, odor change, temperature change.
No. insertions add a nucleotide, deletions delete a nucleotide sequence.