Which part of John Dalton’s theory was disproved by J. J. Thomson’s cathode-ray tube experiments?(1 point) Atoms can form new substances.

Atoms are indivisible.

Atoms are small.

Atoms can join together.

9. write the chemical equation for the following word equations. include symbols for physical states in the equation. a. solid zinc sulfide + oxygen gas -> solid zinc oxide + sulfur dioxide gas b. aqueous hydrochloric acid + aqueous barium hydroxide -> aqueous barium chloride + water

How much energy is made when a pice of wood burns. how do you know

What are the primary responsibilities of a chemical engineer involved in "r& d"? develop large scale manufacturing operations discover new products and processes training of new chemists determine products needed by consumers