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2711.Techniques for manipulation of gene to achieve desirable characters are called?
2712.A girl throws a small stone into a lake. (See in detail)
2713.A process in which two light nuclei combine to form a heavier nucleus is called?
2714.A powder contains 100mg of a radioactive material that emits α-particles. (See in detail)
2715.The type of radiation that travels in a straight line across an electric field is a/an?
2716.A radioactive decay can be represented as shown. 91Pa^233 ---> 92U^233 +...... The emitted particle is a/an?
2717.A radioactive element emits a particle from the nucleus of one of its atoms. The particle comprises two protons and two neutrons. The name of this process is called?
2718.A radioactive nuclide emits a β-particle. The atomic number (proton number) of the nucleus number of ______?
2719.If an element B has five protons and six neutrons what will be the symbol of element B _____?
2720.In an atom, the nucleus when compared to the extra-nuclear part, is _____?