3. The following diagram shows a part of the periodic table containing first three
periods in which five elements have been represented by the letters o, b, c, d, ande
(which are not their chemical symbols):
18
1
17
15
2.
13
1
(a) Which letter represents an alkali metal? Name the alkali metal.
(b) Which letter represents a halogen? Name the halogen.
(c) What type of chemical bond is formed between a and e?
(d) What type of chemical bond is formed between d and e?
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Answer:
bhai daigram to bhej
Explanation:
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