The element with electron configuration 1s\(^2\) 2s\(^2\) 2p\(^6\) 3s\(^2\) 3p\(^1\) belongs to
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91 questionsWhich of the following arrangements represents the correct order of electronic energy level?
Which of the following statements is correct?
An atom of an element X gains two electrons. The symbol of the ion formed is
The formula of the compound formed between a trivalent metal, M and a divalent non-metal, Y is
The molecule which has a linear shape is
Which of the following instruments is used in detecting the presence of radiation?
\( \bigtriangleup H = -395.7kJmol^{-1} \)
In the reaction above, the concentration of 2SO3(g) can be in creased by
In the reaction above, the oxidizing agent is
Use the following option above to answer this question. Which of the following compounds in solution will turn red litmus paper blue?
The IUPAC nomenclature for the compound above is
In the graph above, the activation energy of the catalyzed reaction is
rn(C=12,H =1, O=16)