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The symbol for the element Astatine is?...

The symbol for the element Astatine is?

A

As

B

At

C

Ai

D

An

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BEIITIANS-BASICS OF CHEMISTRY -SUMMATIVE WORKSHEET
  1. The symbols for different elements are given below. Identify the eleme...

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  2. The symbols for different elements are given below. Identify the eleme...

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  3. The symbols for different elements are given below. Identify the eleme...

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  4. Assertion (A): The symbol of cobalt is Co and not CO , CO represents a...

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  5. A student has written the following symbols. Symbol-1: MN Symbol ...

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  6. Identify the correct statement/s?

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  7. The scientist who suggested a method of representing elements using th...

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  8. The symbol for the element Astatine is?

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  9. The symbols for the elements selenium and silicon are:

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  10. The symbol Sb stands for the element?

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  11. The element/s named after scientists are

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  12. The element/s named after countries and laboratories is/are:

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  13. The elements named after the name of the planets are :

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  14. Atom consist of electrons , protons and neutrons . If the mass attribu...

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  15. The atoms of all the elements contains electrons, protons and neutrons...

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  16. What is the ratio of number of neutrons in silicon to phosphorous.

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  17. Why does an atomic number not change during a chemical reaction.

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  18. Find the number of electrons , protons In Fluoride ion

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  19. Find the number of electrons , protons In Sulphate ion

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  20. Mass number of chlorine is 35.5 True/False.

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