Atomic Structure

Question	Answer
What 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. Image: Photo Atom (binary/octet-stream)
Describe 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. Image: Photo Atom (binary/octet-stream)
How come the Electrons doesn't float away?	Electrons are held in place by electrostatic forces.
Describe 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
Draw a diagram of an atom of: Lithium	Image: Litium (binary/octet-stream)
Draw a diagram of an atom of: Beryllium	Image: Litium 2 (binary/octet-stream)
Draw a diagram of an atom of: Boron	Image: Boron (binary/octet-stream)
Write down following for Lithium: The mass number The proton number The number of electrons, protons and neutrons	Image: 720px Blausen 0615 Lithium Atom (binary/octet-stream)
Write down following for Beryllium: The mass number The proton number The number of electrons, protons and neutrons	Beryllium has 4 Protons and 5 Neutrons Image: Beryllium (binary/octet-stream)
Write down following for Boron: The mass number The proton number The number of electrons, protons and neutrons	Image: Boron (binary/octet-stream)

Resource summary

	Created by Frida Mackay 2 months ago