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An atom of element E contains 3 protons,...

An atom of element E contains 3 protons, 3 electrons and 4 neutrons : What could element E be

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An atom of element E contains 3 protons, 3 electrons and 4 neutrons : (a) What is its atomic number ?

An atom of element E contains 3 protons, 3 electrons and 4 neutrons : (b) What is its mass number ?

An atom of element E contains 3 protons, 3 electrons and 4 neutrons : (d) State whether element E is a metal or non-metal. Why ?

An atom of element E contains 3 protons, 3 electrons and 4 neutrons : (e) What type of ion, cation or anion, will be formed by an atom of element E ? Why ?

An atom of element E contains 3 protons, 3 electrons and 4 neutrons : (c) Write the electronic configuration of the element E.

An atom of an element contains 29 electrons and 35 neutrons. Deduce (i) the number of protons (ii) the electronic configuration of the element.

What is the relationship between an atom containing 11 protons, 11 electrons and 11 neutrons, and another atom containing 11 protons, 11 electrons and 12 neutrons ?

The atom of an element is made up of 4 protons, 5 neutrons and 4 electrons. What are its atomic number and mass number ?

The atom of an element X has 7 electrons in its M shell. What is the atomic number of element X ?

The nucleus of an atom has 5 protons and 6 neutrons. What would be the (a) atomic number

MODERN PUBLICATION-SURFACE CHEMISTRY-EXERCISE
  1. What do you understand by true solution, colloidal solution and suspen...

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  2. Comment on the statement that “colloid is not a substance but a state ...

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  3. An atom of element E contains 3 protons, 3 electrons and 4 neutrons : ...

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  4. How are colloids classified on the basis of : interaction between disp...

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  5. How will you prepare a collidal solution of gold?

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  6. Explain electrophoresis. How is it helpful in causing coagulation of c...

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  7. Write two differences between sols and emulsions.

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  8. Explain the following- Uses of bronze alloy.

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  9. State whether the statement is true or false- Bronze alloy is used to ...

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  10. Electrical wires are made up of which alloy?

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  11. State whether the statement is true or false- Bell metal is made of co...

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  12. State whether the given statement is true or false- Gun metal is made ...

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  13. Explain the following- Uses of Gun metal.

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  14. State whether the statement is true or false- Magnelium alloy is made ...

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  15. State whether the statement is true or false- German silver alloy is u...

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  16. Give three differences between lyophilic and lyophobic colloids.

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  17. How will you justify that milk is an emulsion of oil in water with the...

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  18. How will you justify that milk is an emulsion of oil in water with the...

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  19. Explain Tyndall effect.

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  20. Explain the following terms: Dialysis

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