Check the statements that are a part of the Early Atomic Theory. Check all of the boxes that apply Scientists believe that the atom is made up of elements.
Atoms combine in whole number ratios to form compounds.
Atoms cannot be created or destroyed during a chemical reaction.

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

Miner's coal distributors does not mine coal itself, nor does it even store or handle the coal. instead, miner's solicits orders for low sulfur coal from other firms, then purchases the required amount from suppliers and directs them to ship the coal to its customers. what is miner's

An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons