2018 06:00 AM813/1002/12/2018 09A9 AM 13 of 32 apling Learning Ernest Rutherford

Question

2018 06:00 AM813/1002/12/2018 09A9 AM 13 of 32 apling Learning Ernest Rutherford was a prominent scientist who contributed significantly to the theory of atomic structure. Which of the following statements are true? Select all that apply Rutherford theorized that atoms contain a positively charged region called the nucleus. Rutherford disproved the plum pudding model of the atom. Rutherford devised the plum pudding model to describe the layout of an atom. Rutherford devised the solar system model to describe the layout of the atom.

Explanation / Answer

1. Options A and D are correct.

2. Options C and and E. Since no of protons are equal to the atomic number (Z) it is same for Fe+2 and Fe+3

While K+ is formed by the loss of one electron.

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