Flashcards
Atomic Structure
Flashcards do conjunto (10)
- 1What is an atom is made up of?An atom is made up of protons, neutrons and electrons. The protons are positively charged and electrons are negatively charged.
- 2Describe the location of the subjects in an Atom?The protons and neutrons are found in the nucleus, the electrons are arranged in shells around the nucleus.
- 3How come the Electrons doesn't float away?Electrons are held in place by electrostatic forces.
- 4Describe how many electrons the first, second and third shell can hold?The first shell has room for 2 electrons, the second and third shells, 8 electrons
- 5Draw a diagram of an atom of: Lithium
- 6Draw a diagram of an atom of: Beryllium
- 7Draw a diagram of an atom of: Boron
- 8Write down following for Lithium: The mass number The proton number The number of electrons, protons and neutrons
- 9Write down following for Beryllium: The mass number The proton number The number of electrons, protons and neutronsBeryllium has
4 Protons and 5 Neutrons
- 10Write down following for Boron: The mass number The proton number The number of electrons, protons and neutrons
Informações
- Descrição
- How atoms are made up, mass number and proton number, etc
- Criado por
- Frida Mackay
- Visualizações
- 20
- Tags
- Avaliação