Rogina

This page lists questions and answers that were posted by visitors named Rogina.

Questions

The following questions were asked by visitors named Rogina.

Answers

The following answers were posted by visitors named Rogina.

an expression is shown 3+8-4x2-10 insert a set of parentheses so that value of the expression is equal to 1

there should be an equal amount of electrons and protons. The number of protons = the number of electrons. The atomic #