Criado por Ali Aldhalimi
mais de 8 anos atrás
|
||
Questão | Responda |
What is an atom? | a building block of everything. |
what is an atomic number? | its the number of protons in a nucleus. |
what's the 3 particles that make up atoms? | protons neutrons electrons |
how many atoms are on the periodic table? | 118 |
what are clusters of atoms known as? | molecules |
how many electrons are in each shell? | 1-2 2-8 3-18 |
what is a compound? | a pure substance that is made up of 2 or more different types of atom chemically joined. |
what is a element? | a substance made up of only one type of atom. |
what did NielsBohr propose? | he proposed that electrons can only travel along certain pathways around the nucleus. |
what did Ernest Rutherford discover? | he discovered that the nucleus only takes up a small fraction of the space inside an atom. |
Quer criar seus próprios Flashcards gratuitos com GoConqr? Saiba mais.