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Erstellt von Frida Mackay
vor 6 Monate
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Frage | Antworten |
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. |
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. |
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)
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Draw a diagram of an atom of: Beryllium | |
Draw a diagram of an atom of: Boron |
Image:
Boron (binary/octet-stream)
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Write down following for Lithium: The mass number The proton number The number of electrons, protons and neutrons | |
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 |
Write down following for Boron: The mass number The proton number The number of electrons, protons and neutrons |
Image:
Boron (binary/octet-stream)
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