Beryllium and aluminium have similar properties because they _______?
A. are both metals B. belongs to the same group C. belong to the same period D. are positioned diagonally to each other Correct Answer: Option D – are positioned diagonally to each other Explanation At the beginning of periods 2 and 3 of the Periodic Table,...
200 cm³ of a gas at 25°C exerts a pressure of 700 mmHg. Calculate its pressure if its volume increases 350 cm³ at 75°C.
A. 342.53 mmHg B. 1430.54 mmHg C. 467.11 mmHg D. 400.00 mmHg Correct Answer: Option C – 467.11 mmHg
An element X has electron configuration 1s² 2s² 2p6 3s² 3p5. Which of the following statements is correct about the element?
A. lt has a completely filled p-orbital B. lt has 5 electrons in its outermost shell. C. lt belongs to group ll on the periodic table D. lt is a halogen Correct Answer: Option D – lt is a halogen
A gas X diffuses twice as fast as gas Y. if the relative molecular mass of X is 32, calculate the relative molecular mass of Y.
A. 128 B. 8 C. 16 D. 64 Correct Answer: Option A – 128Products
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Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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Co-Ownership Structures and Land Acquisition Methods in Nigeria
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Rights in Community Land and Fundamental Land Concepts in Nigeria
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Customary Land Control and the Origins of Nigeria's Land Use Act
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Land Ownership Principles and Transaction Laws in Nigeria
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