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Question
The similarities in the properties of a group of elements are because they have the same ______.
Options
electronic configuration
number of outer electrons
atomic numbers
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Solution
The similarities in the properties of a group of elements are because they have the same number of outer electrons.
RELATED QUESTIONS
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| Element | w | x | y | z |
| Electronic configurations |
2, 8, 1 | 2, 8, 7 | 2, 5 | 1 |
Answer the following questions based on the table above:
1) What type of Bond is formed between :
a) W and X
b) Y and Z
2) What is the formula of the compound formed between :
a) X and Z
b) W and X
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Name the non-metals present in period 2 and metals in period 3.
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| Elements | Atomic Radius (pm) |
| O | 66 |
| B | 88 |
| C | 77 |
| N | 74 |
| Be | 111 |
| Li | 152 |
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- State the period to which the above elements belong.
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| Li | Be | B | C | O | F | Ne |
Which one of the above elements belongs to the halogen series?
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