18. (a) What did Ernest Rutherford observe during his experiments? (b) What did Niels Bohr observe during his experiments? (c) How did the work of each scientist contribute to the development of the planetary model of the atom? Explain your ideas in at least four (4) sentences.

Q: Is the statement consistent with Dalton’s atomic theory as it was originally stated? Why? Sulfur and…

A: Concept introduction: Dalton's atomic theory was the first complete attempt to describe all matter…

Q: Which statement is true?(a) For a given element, the size of an isotope with more neutrons is larger…

A: For a given element, atoms having same atomic number with different mass number are known as…

Q: Consider an atom of 32P. (a) How many protons, neutrons, and electrons does this atom contain? (b)…

A: Since you have posted multiple sub-parts, the answer for first three questions are given below.…

Q: Which is the correct sequence of the scientists who made major changes in the model of the atom?…

A: Atomic theory was first proposed by John Dalton in 1803. According to Dalton's Theory,  1. Elements…

Q: Which of the following facts allows you to determine that atom A and atom B are isotopes of the same…

A: If atom 'A' and 'B'  is an isotope then their mass number should be same. Isotopes are the same…

Q: (a) chlorine-35 protons electrons neutrons (b) palladium-104 protons electrons neutrons (c)…

A: Atomic number of a atom is equal to the number of protons present in it. The number of protons are…

Q: Describe Thomson’s model of the atom. How might itaccount for the production of cathode rays?

A: The atomic model proposed by Thomson was the plum-pudding model. According to Thomson's atomic…

Q: Which postulate of Dalton's theory is violated by the following observations: 59.95% of one sample…

A: c)  In a given compound, the numbers of atoms of each type (and thus also the percentage) always…

Q: Illustrate the sharing of electrons of each covalent compound using the Bohr Model. Apply the octet…

A: Covalent compounds are formed by sharing of electrons in between two or more atoms. In the covalent…

Q: Consider an atom of 10B. (a) How many protons, neutrons,and electrons does this atom contain? (b)…

A: Atomic number (Z) is defined as number of protons present in an atom.  In a neutral atom number of…

Q: Assuming that the arrows are streams of "alpha" radiation Use the image to determine whether the…

A: •Here image is given for test done to determine the structure of atom. •In this as alpha particles…

Q: Chromium reacts with oxygen to form three different compounds, X, Y and Z. It was found that, for…

A: Given: mass of Cr in X, Y and Z is 1 g. mass of O in X = 0.308 g mass of O in Y = 0.462 g mass of O…