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Report | Ahana asks : how to delete the profile on tcyonline.com ? |
Report | Shakti singh bais asks : i secured 8954 rank in KIITEE 2012..what are my chances to get a good branch in KIIT ...??? what were the opning and closing ranks in KIITEE 2011 |
Report | Shashank mishra asks : : Following statements regarding the periodic trends of chemical reactivity of the alkali metals and the halogens are given. Which of these statements gives the correct picture? 1.In alkali metals the reactivity increases, but in the halogens it decreases with increase in atomic number down the group. 2.The reactivity decreases in the alkali metals, but increases in the halogens with increase in atomic number down the group. 3.In both the alkali metals and the halogens the chemical reactivity decreases with increase in atomic number down the group. 4.Chemical reactivity increases with incr |
Report | Shashank mishra asks : Which of the following alkali metals becomes liquid at 150 C? K Cs Na Ba |
Report | Shashank mishra asks : Which element has the highest ionization potential? Hydrogen Lithium Boron Sodium |
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