each new row indicates the addition of an energy level. This increases the average distance of the outermost electron from the nucleus. However, atomic radius decreases as you move from left to right across a period of the periodic table. The protons and electrons...
Why does atomic radius increase down the group? Periodic Properties: The periodic table categorizes the elements according to their properties and atomic number (number of protons or electrons). Along the period (rows), the atomic number increases. Down the group (columns), chemical properties lik...
2 Explain why,going down a group,the atomic radius increases even though the number of protonsin the nucleus that can attract the electrons increases.\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05在一...
But, if we asked a similar question - 'If we dropped a stone from a radial distance r (r > the event horizon radius) when, according to our wrist watch, will the stone cross the event horizon' - the answer is ... error! We will find that at time t = infinity, the...
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Explain why as you go across Period 3, the atomic radius decreases. Why couldn't Mendeleev organize the entire table during his research? Briefly describe, why do elements in a given group have similar chemical properties? Why are no two emission spectra for different elements ever the same?
Why is the ionic radius of potassium smaller than the atomic radius? Why does the thermal stability decrease across the period in s-block elements? Why don't electrons in atoms repel? Why does higher temperature weaken bonds? Explain why an increase in electrons results in an increase in boi...
Use Up/Down Arrow keys to increase or decrease volume. Podcast:Play in new window|Download|Embed A listener writes in with a straightforward (but important) question: why do I use the term “scamdemic”? Here’s my (equally important and meticulously documented) answer!
Atomic Model and Nuclear Model Rutherford and his coworkers conducted an experiment in 1911 that altered the model of an atom. The experiment consisted f bombarding with gold foil with alpha particles (positively charged and heavier than hydrogen). The result was a combination of particles that we...
Using periodic table, arrange the following in order of increasing atomic radius and give reason in support of your answer. \\ 1. Na 2. Be 3. Mg Arrange the metals listed below in order of increasing activity. Hg, Zn, Fe,...