Which is NOT an example that proves that molecules are made of tiny particles that are always in motion. *
Smelling vanilla from inside a balloon.
Tables, books and papers.
Food coloring spreading out inside of a glass of water.
Air freshener

so here we go

atomic mass

239 + 1 = y + 134 + 3 combine like terms

240 = y + 137             subtract 137 from both terms

240 - 137 = y

103 = y

atomic number

94 = z +54 + 0

94 = z + 54               subtract 54 from both sides.

40 = z

answer

c-14 is carbon-14, or radiocarbon.   it is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.

the maximum mass of nh3 is nh3 in grams

answerleaving cheese out to get moldy;