Flashcards
C4
Flashcards do conjunto (13)
- 1Who was the first person to publish the 'The Atomic Theory'?John Dalton
- 2What did J. J. Thomson discover?He discovered that you could split the atom (the discovery of the electron).
- 3What did ernest rutherford prove?That the atom wasn't solid, it had a dense nucleus.
- 4What is the nucleus of?Protons and neutrons
- 5Does an atom have charge and if so what is it?It has NO charge
- 6An atom has the _____ amount of protons and electrons and so they cancel each other out.same
- 7What is an element?A substance that cannot be broken down chemically and contains only one type of atom.
- 8What is a compound?a substance that contains at least 2 elements that are chemically combined.
- 9What is the atomic number?The amount of protons in the atom
- 10What are isotopes?Some elements have varieties that have different numbers of neutrons that are called isotopes.
- 11LOOK AT PG 56,57 and 58 FOR IONIC BONDINGA lot easier to revise from than flashcards, as a lot is diagrams
- 12Johann Dobereiner was the first to try to _________ the elements in a pattern. He linked elements that had similar properties and found that they made _______arrange
triads - 13John Newlands arranged the elements by _____________ atomic weight. He noticed that every _________ element had similar properties and coincided with triads. Other scientists did not accept his law of _________ because some elements had not yet been discovered and some didn't fit the pattern.increasing
eight
octaves
Informações
- Descrição
- 16 pages of revision book
- Criado por
- Toby Mulcahy
- Visualizações
- 1
- Histórico
-
- Criado por Matty MIddleton · 28 fev 2016
- Copiado por Toby Mulcahy · 30 abr 2018
- Avaliação