1. Which experimental evidence indicates that: 1) electrons are negatively charged particles?
ii) electrons are the constituents of all atoms?

Order the following from smallest to largest atom, electron, quark, proton, neutron, molecule, nucleus

Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?

What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate