Flashcards
cgemistry
Cards in this deck (15)
- 1what is an atom?Its the smallest part of an element
- 2what is an element?something made of one atom
- 3what is a compound?a substance that is chemically bonded with two
- 4relative charge nd mass of subatompic particlesmass: proton 1 , neutrons 1 , elctrons 0
charge: protons +1 , neutrons 0 , electrons - 1 - 5plum pudding modela ball of positive charge with negative electrons studded into it
- 6alpha scatteringatoms have dense nucleuses with a + charge
- 7atoms have no overall chargethe no. of protons and electrons are equal
- 8how large r atomsradius is about 0.1nm
- 9nucleus size copmaresd to tge rest f the atom1/10000
- 10isotopeatoms of the same element with a different number of neutrons
- 11abundancethe % of atoms in a sample with the specific masss
- 12rel atom mass of elementan average value fir the mass that takes account of the abundance of isotopes of element
- 13how is tgw mdrn prdc tablearranged in chemical properties and atomic number
- 14el similar chem propertiesbecause they hsve the same electrons in their outer shell
- 15organisationby the atomic weight
Information
- Description
- Flashcards on cgemistry, created by kaira ayo on 20/12/2021.
- Created by
- kaira ayo
- Views
- 0
- Rating