How many protons and nuroons are on a neculus

Which is mostly likely why many scientists reject the cold fusion theory

Which type of bonding involves the complete transfer of a valence electron from a less electrogrative atom to a more electronegative one

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture