NSO Level 1- Science Olympiad (SOF) Class 10: Questions 511 - 515 of 986
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Passage
Read the following passage and answer the question.
The law was given by Henry Moseley in it states,
“Properties of the elements are the periodic function of their atomic numbers”.
The trends observed in some important properties of the elements in moving down the group (from top to bottom of the table) and across a period (from left to right in a period) are Valency, atomic size, metallic and non-metallic, electronegativity.
Question number: 511 (1 of 3 Based on Passage) Show Passage
» Periodic Classification of Elements
Question
Valency is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | The combining capacity of the atom of an element with atoms of other elements in order to acquire the stable configuration. |
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| b. | The relative tendency of an atom to attract the shared electron pair of electrons towards itself |
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| c. | In a period all the elements contain the same number of shells |
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| d. | None of the above |
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Question number: 512 (2 of 3 Based on Passage) Show Passage
» Periodic Classification of Elements
Question
Which is correct for metallic and non-metallic properties?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | In a period, all the elements contain the same number of shells |
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| b. | The relative tendency of an atom to attract the shared electron pair of electrons towards itself |
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| c. | In a period from left to right metallic nature, decreases while non-metallic character increases. |
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| d. | Question does not provide sufficient data or is vague |
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Question number: 513 (3 of 3 Based on Passage) Show Passage
» Periodic Classification of Elements
Question
“Properties of the elements are the periodic function of their atomic numbers. ” The law is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Atomic law |
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| b. | Law of Octaves |
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| c. | The periodic law |
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| d. | Modern periodic Law |
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Question number: 514
» Human Eye and Colourful World
Question
Anger signs are made in red colour because
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | More scattered by fog and smoke |
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| b. | Least wavelength compare to blue colour |
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| c. | Least scattered colour |
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| d. | All of the above |
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Question number: 515
Question
Fill in the blank correct answer.
________ triggers the release of stored sugars, increasing the concentration of Glucose in your blood.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Glucagon |
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| b. | Insulin |
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| c. | Somatostatin |
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| d. | Question does not provide sufficient data or is vague |
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