Description : What is The stability of atomic nuclei is related to the .?
Last Answer : Feel Free to Answer
Description : The structural stability of the double helix of DNA is as cribbed largely to (A) Hydrogen bonding between adjacent purine bases (B) Hydrophobic bonding between staked purine and ... Hydrogen bonding between adjacent pyrimidine bases (E) Hydrogen bonding between purine and pyrimidine bases
Last Answer : Answer : D
Description : Taking the values of atomic masses from the tables, find the maximum kinetic energy of beta-particles emitted by `Be^(10)` nuclei formed directly in t
Last Answer : Taking the values of atomic masses from the tables, find the maximum kinetic energy of beta- ... )` nuclei formed directly in the ground state.
Description : What statement is true of atomic nuclei?
Last Answer : that they are very dense
Description : What form of energy that holds atomic nuclei together called?
Last Answer : The strong force holds atomic nuclei together.
Description : What do you call the union of lightweight atomic nuclei?
Last Answer : Need answer
Description : Choose the incorrect statement from the following: (a) The nuclear becomes weak if the nucleus contains too many protons compared to the number of neutrons (b) The nuclear force becomes weak if the ... (d) The nuclear force becomes very strong if the nucleus contains a large number of nucleons.
Last Answer : Ans:(d)
Description : Atomic nuclei are composed of–
Last Answer : Protons and neutrons
Description : Atomic nuclei are composed of
Description : What refers to the strong repulsion between the positively charged nuclei which makes fusion reaction difficult to attain? A. Atomic repulsion B. Nuclear repulsion C. Coulomb repulsion D. Charge repulsion
Last Answer : Coulomb repulsion
Description : In Rutherford's experiment involving the deflection of alpha particles by atomic nuclei, the fact that some of the alpha particles bombarding the thin gold foil were back-scattered, led to one of the ... its nucleus z) the nucleus of a gold atom occupies nearly the entire space of the atom
Last Answer : ANSWER: Y -- MOST OF THE MASS OF A GOLD ATOM IS IN ITS NUCLEUS
Description : The term that is used to refer to a primitive cell, capable of selfreplication and differentiation, is a) stem cell. Stem cells may differentiate into myeloid or lymphoid stem cells. b) band ... blood cell without central pallor. d) reticulocyte. A reticulocyte is a slightly immature red blood cell.
Last Answer : a) stem cell. Stem cells may differentiate into myeloid or lymphoid stem cells.
Description : The effective atomic number of `Co(CO)_(4)` is 35 and hence is less stable. It attains stability by
Last Answer : The effective atomic number of `Co(CO)_(4)` is 35 and hence is less stable. It attains stability by ... Co B. reduction of Co C. dimerization D. none
Description : Give reason for the following observation (L-III) (a)- The tendency for catenation decreases down the group in group 14 (b)- The decreasing stability of+3 oxidation state with increasing atomic no. in group 13. (c)- Molten aluminum bromide is a poor conductor of electricity.
Last Answer : Ans. -(a) it is due to decrease in bond dissociation energy which is due to increase in atomic size C-C > Si-Si >Ge-Ge>Sn-Sn>Pb-Pb. (b)- It is due to inert pair effect. (c)- Molten AlBr3 is poor conductor of electricity because it is covalent compound.
Description : Tell what would happen to the stability of an atom, with atomic number higher than18, if the aufbau principle was not introduced.
Last Answer : Ans. We cannot find out the exact reason of stability of an atom & why they should have filled inner orbits before outermost shell.
Description : Atomic Spectra is an example of a) discrete spectra b) band spectra c) atomic spectra d) continuous spectra
Last Answer : a) discrete spectra
Description : Molecular spectra is an example of a) continuous spectra b) discrete spectra c) band spectra d) atomic spectra
Last Answer : c) band spectra
Description : Black body radiation spectrum is an example of a) band spectra b) continuous spectra c) discrete spectra d) atomic spectra
Last Answer : b) continuous spectra
Description : What type of urban model (multiple nuclei, concentric zone, etc) does Antananarivo, Madagascar follow? How?
Last Answer : Could you Google a map of the city and see if by looking at it you can determine the pattern?
Description : Why is there a tedency for electrons to settle around a nuclei in up to eight layers?
Last Answer : Quantized energy levels result from the relation between a particle's energy and its wavelength. For a confined particle such as an electron in an atom, the wave function has the form of ... next possible orbit has a distance twice the electron's wavelength. There can be nothing in between.
Description : What is the difference between basal and hypothalamaic nuclei? -Biology
Last Answer : answer:
Description : What happens to polar nuclei after fertilization? -Biology
Description : How many polar nuclei are in the ovule of the angiosperm? -Biology
Description : Polar nuclei and double fertilization -Biology
Description : Polar nuclei develop into. -Biology
Description : If a U-238 nucleus splits into two identical parts, how will the two nuclei be so produced? -Do You Know?
Description : Which force binds the nuclei ?
Last Answer : A strong nuclear force binds the nuclei.
Description : What about the nuclei whose protons are not equal but their mass is equal ?
Last Answer : All atoms that have the same mass but different atomic numbers are called isobars. E.g. 4018Ar and 4019Ca ; Here both argon and calcium have a mass of 40 but the atomic number is 18 and 19 , respectively.
Description : What is the number of nuclei with equal number of neutrons but not equal mass ?
Last Answer : : Isotones are called nuclei which have equal number of neutrons but not equal mass.
Description : What are the functions of red blood cells , white blood cells and nuclei ?
Last Answer : The function of red blood cells: Red blood cells carry oxygen from the lungs to the cells through hemoglobin. Red blood cells are the most important blood cells or cells that provide oxygen to the ... , the nucleus accumbens binds blood to that place. As a result, bleeding from the wound stops.
Last Answer : The ovary has 3 nuclei
Description : Three lobed nuclei occur in
Last Answer : Three lobed nuclei occur in A. Monocyte B. Eosinophil C. Neutrophil D. Basophil
Description : The triad of nuclei that is isotonic is
Last Answer : The triad of nuclei that is isotonic is A. `_(6)^( 14)C,_(7)^(15)N,_(9)^(17)F` B. `_(6)^(14)C,_(7)^(14)N ... )F` D. `_(6)^(14)C,_(7)^(14)N,_(9)^(19)F`
Description : Microscopic structure having plar nuclei is
Last Answer : Microscopic structure having plar nuclei is A. Pollen tube B. Embryo sac C. Pollen grain D. Male gemete
Description : $ Karyokinesis is followed by cytokinesis. ! Two daughter nuclei are formed after telophase.
Last Answer : $ Karyokinesis is followed by cytokinesis. ! Two daughter nuclei are formed after telophase. A. If both As ... wrong D. If both As and R are wrong.
Description : Muscle fibre is a ____ as the sarcoplasm contains many nuclei.
Last Answer : Muscle fibre is a ____ as the sarcoplasm contains many nuclei.
Description : The cells without nuclei are present in
Last Answer : The cells without nuclei are present in A. Vascular cambium B. Root hair C. Comkpanion cell D. Members of seive tube
Description : Statement-1 : Energy is released in the nuclear fusion of hydrogen nuclei to form helium nuclei Because Statement-2 : Binding energy per nucleon of he
Last Answer : Statement-1 : Energy is released in the nuclear fusion of hydrogen nuclei to form helium nuclei Because ... Statement-2 is false, statement-2 is true
Description : Supra optic nuclei (in hypothalamus) secrete the hormone
Last Answer : Supra optic nuclei (in hypothalamus) secrete the hormone A. ADH B. Oxytocin C. Pitocin D. Both (2) and (3)
Description : Assertion `(A) :` In radioactive disintegrations, `._(2)He^(4)` nuclei can come out of the nucleus but lighter `._(2)H^(3)` cannot. Reason `(R) :` The
Last Answer : Assertion `(A) :` In radioactive disintegrations, `._(2)He^(4)` nuclei can come out of the nucleus but ... D. If both (A) and (R ) are incorrect.
Description : Let `T` be the mean life of a radioactive sample. `75%` of the active nuclei present in th sample initially will deacy in time
Last Answer : Let `T` be the mean life of a radioactive sample. `75%` of the active nuclei present in th sample initially will ... ` C. 4T D. `2 (log_(e) 2) T`
Description : Which of the following nuclei are doubly magic? a)`._(92)U^(238)` b)`._(2)He^(4)` c)`._(8)O^(16)` d)`._(82)Pb^(208)`
Last Answer : Which of the following nuclei are doubly magic? a)`._(92)U^(238)` b)`._(2)He^(4)` c)`._(8)O^(16)` d)`._( ... O` C. `._(82)^(208)Pb` D. `._(92)^(238)U`
Description : Radioactivity is generally not found in a)Light nuclei b)Stable nuclei c)Heavy nuclei d)Nuclei of intermediate mass
Last Answer : Radioactivity is generally not found in a)Light nuclei b)Stable nuclei c)Heavy nuclei d)Nuclei of ... C. heavy nuclei D. nuclei of intermediate mass
Description : When viewed under a microscope a sample of tissue reveals striations and long thin fibers that contain many nuclei and mitochondria. What type of tissue is most likely being viewed?
Description : What biconcave cells in blood that lack nuclei when they are mature?
Description : What two elements have 10 neutrons in its nuclei?
Last Answer : Many isotopes have 10 neutrons in the atomic nucleus (Be-14, B-15, etc.).