The mass of a neutron is of the order of
The mass of ________ is 1.6 10–24 g.
Which of the following statements is incorrect about nucleus?
Which of the following statements is correct about a neutron?
An element has an atomic weight of 2Z + 6, where Z is the number of extra-nuclear electrons in the a….
An element has an atomic weight of 2Z + 6, where Z is the number of extra-nuclear electrons in the atom. Then, the number of neutrons in the nucleus is
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Almost the entire mass of an atom is concentrated in a very small space within the atom called the n….
Almost the entire mass of an atom is concentrated in a very small space within the atom called the nucleus. Which of the following sub-atomic particles are present in the nucleus?
Which of the following statements is/are correct?a. Pakudha Katyayana suggested for the first time t….
Which of the following statements is/are correct? a. Pakudha Katyayana suggested for the first time that even if we go on dividing matter, a stage will come when particles obtained cannot be divided further.b. Maharishi Kanad called the smallest particles Parmanu.c. Antoine Lavoisier and Joseph L. Proust presented the atomic theory...
Which of the following is not a postulate of Dalton’s theory?
According to Dalton's atomic theory, which of the following statements is correct?
Which of the following is/are the drawback(s) of Dalton’s atomic theory?a. Atoms are indivisible.b. ….
Which of the following is/are the drawback(s) of Dalton’s atomic theory? a. Atoms are indivisible.b. All the atoms of an element have exactly the same mass.c. Atoms of different elements have different masses.
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