AP EAMCET · Chemistry · Structure of Atom
Which one of the following statements is correct?
- A The radius \((R)\) of a nuclide of mass number \(A\) is given by the equation \(R=R_0(A)^{1 / 2} \quad\left(R_0=\right.\) constant)
- B \({ }_7 \mathrm{~N}^{15}\) and \({ }_8 \mathrm{O}^{16}\) are isobars
- C The end product nuclide in thorium ( \(4 n)\) series is \({ }_{83} \mathrm{Bi}^{209}\)
- D \({ }_{20} \mathrm{Ca}^{40}\) has magic number of protons and magic number of neutrons
Answer & Solution
Correct Answer
(D) \({ }_{20} \mathrm{Ca}^{40}\) has magic number of protons and magic number of neutrons
Step-by-step Solution
Detailed explanation
No Solution Available
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Chemistry
- For the species \(\mathrm{HSO}_4^{-}\)and \(\mathrm{NH}_3\) their conjugative acids respectively areAP EAMCET 2020 Easy
- Which of the following is not an ideal solution?AP EAMCET 2021 Easy
- Observe the following reactions
I. \(\quad \mathrm{CaCO}_3(\mathrm{~s}) \rightarrow \mathrm{CaO}(\mathrm{s})+\mathrm{CO}_2(\mathrm{~g})\)
II. \(\quad \mathrm{Cl}_2(\mathrm{~g}) \rightarrow 2 \mathrm{Cl}(\mathrm{g})\)
III. \(\mathrm{H}_2 \mathrm{O}(1) \rightarrow \mathrm{H}_2 \mathrm{O}(\mathrm{s})\)
Identify the reactions in which entropy increasesAP EAMCET 2024 Medium - Consider the following.
Assertion (A) : CO is poisonous to living beings
Reason (R) : CO binds to haemoglobin forming carboxyhaemoglobin, which is less stable than oxygen-haemoglobin complex.
Correct answer isAP EAMCET 2025 Medium - Which of the following is not correct ?AP EAMCET 2005 Medium
- The velocity of the electron in Bohr's first orbit is \(x \times 10^6 \mathrm{~m} \mathrm{~s}^{-1}\). The de-Broglie wavelength associated with it (in nm) is \(\left(m_e=9 \times 10^{-31} \mathrm{~kg}, h=6.6 \times 10^{-34} \mathrm{~J} \mathrm{~s}\right)\)AP EAMCET 2022 Medium
More PYQs from AP EAMCET
- If bullets are fired in all possible directions from same point with equal velocity of \(10 \mathrm{~m} \mathrm{~s}^{-1}\) and with an angle of projection \(45^{\circ}\), then the area covered by the bullets on the ground is nearly
(Acceleration due to gravity \(10 \mathrm{~m} \mathrm{~s}^{-2}\) )AP EAMCET 2025 Medium - If \(y=\log _2\left(\log _2 x\right)\), then \(\frac{d y}{d x}\) is equal toAP EAMCET 2016 Medium
- If a unit positive charge is taken from one point to another over an equipotential surface, thenAP EAMCET 2020 Easy
- The number of circles that touch all the three lines \(x+y-1=0, x-y-1=0\) and \(y+1=0\) isAP EAMCET 2004 Medium
- \({ }_6 \mathrm{C}^{12}\) and \({ }_1 \mathrm{~T}^3\) are formed in nature due to the nuclear reaction of neutron withAP EAMCET 2004 Easy
- Which among the following complexes can named “dichlorido-bis-(ethane-1, 2-diamine)-platinum (IV) nitrate"?AP EAMCET 2020 Easy