If we have a sample of silicon (Si) atoms that has 14 protons, 14 electrons, and 18 neutrons What is the name of this specific silicon isotope?

In numbering carbon atoms in the parent chain of a hydrocarbon, why would you number from right to left, rather than left to right

How do i complete this electrolysis of water lab? i’m at home, so i don’t have the materials, and the lab didn’t properly work and was incomplete at school.

Isopropyl alcohol, (ch3)2choh, is a common solvent. determine the percent by mass of hydrogen in isopropyl alcohol. a) 6.71% h b) 13.4% h c) 25.0% h d) 53.3% h