Flashcards
Sem título
Flashcards do conjunto (12)
- 1What is an atom?The basic particle from which all elements are made.
- 2What is the structure of an atomcenter of atom is the nucleus made up of protons and neutrons
electrons orbit the nucleus - 3what is the charge of an atomNo charge- has an equal number of protons and electrons
- 4What is an electron cloudregion in which electrons orbit
- 5Describe a protonpositively charged particle in the center of atom; determines the atoms atomic number (what kind of atom it is); has equal mass to neutron
- 6who created the latest model of an atomNeils Bohr
- 7What data does the periodic table tell about the elementsatomic number
atomic mass
element name
chemical symbol - 8What three categories are elements catagorizedmetals, non metals & metalloids
- 9What are the physical properties of a metalconducts electricity
shiny
dense
malleable (bends) - 10Where do the element on Earth come fromstars
- 11What are the charges of subatomic particlesProton = postive
Electron = negative
neutron= neutral - 12How are elements identified by their atomsby the number of protons
Informações
- Descrição
- FlashCards sobre Sem título, criado por Heather LaPointe em 26-05-2016.
- Criado por
- Heather LaPointe
- Visualizações
- 0
- Avaliação