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Chemistry, 25.03.2021 14:00 rubyhart522

Ruben's Series Elements, Compounds and Mixtures
protons and electrons as well as the arrangement of the electrons in the radius shells.
Draw the electronic configuration of the atom showing clearly the position of the
State the number of electrons that will make the following shells full
M-shell i. K-shell i L-shell
7 What is the name given to the path through which electrons move round the nucleus.
Anatom Y has the Atomic number 13. It loses three electrons in order to become stable.
What is the Proton number and the Electron number of the atom?
before itloses the electrons.
after losing electrons.
illustration
pt Name the type of ion formed by the atom when it lost three electrons. Show by
10 State two differences between atom and ion.
9. What is an ion?.State the difference between cations and anions.
1. Magnesium has an Atomic number of 12.
Draw a diagram to show the distribution of electrons in the atom
State the electronic configuration of the atom,
h. How many electrons does the M-shell take?
2. An atom has Atomic number of ll and a Mass number of 23.
Determine the number of protons, electrons and neutrons of the atom X.
Draw the electronic shell of the atom X.
What is the electronic configuration of the atom X?
13. What is valency? State the valency of the following elements.
Calcium Oxygen, Carbon ,Sodium and Chlorine.
14. What is a radical?Give four examples of radicals.​

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Ruben's Series Elements, Compounds and Mixtures
protons and electrons as well as the arrangeme...
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