AI Snips
Chapters
Transcript
Episode notes
Atoms Are Divisible Despite Name
- Atoms are the smallest unit maintaining chemical properties of substances. - The word atom means "indivisible," though we now know atoms are divisible.
Scale of Atoms and Nucleus
- If a fingernail is Earth's size, an atom is like a basketball. - The nucleus of that atom would be the size of a tiny grain of sand.
Dalton Established Atomic Theory Evidence
- John Dalton linked atomic theory to elements reacting in fixed ratios. - This showed that atoms really exist by explaining chemical compounds' formula ratios.