29. This was the first model of the atom ever proposed. It was simple and described atoms as tiny spheres that could not be broken down into smaller pieces. a. Democritus's model of the atom b. The "Rutherford Model" of the atom C. The "Plum Pudding Model" of the atom d. The "Quantum Mechanical Model" of the atom 30. An atom has a mass number of 23 and atomic number 11. The number of protons are, а. 11 b. 12 С. 23 d. 44 31. What is the mass number of an atom which contains 28 protons, 28 electrons, and 34 neutrons? * а. 28 b. 56 С. 62 d. 90 32. What is the atomic number of an atom with 6 protons and 6 neutrons? * а. О b. 6 C. 12 d. 36 33. Element X has 19 protons and 20 neutrons while element Y has 19 protons and 21 neutrons. What can you say about these elements? * a. They are different elements b. They are identical elements C. Element X is an isotope of element Y. d. They have the same mass and atomic number

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Answer number 29 to 33 pls. I don't want to waste my money here.

29. This was the first model of the atom ever proposed. It was simple and described
atoms as tiny spheres that could not be broken down into smaller pieces.
a. Democritus's model of the atom
b. The "Rutherford Model" of the atom
C. The "Plum Pudding Model" of the atom
d. The "Quantum Mechanical Model" of the atom
30. An atom has a mass number of 23 and atomic number 11. The number of protons
are,
а. 11
b. 12
С. 23
d. 44
31. What is the mass number of an atom which contains 28 protons, 28 electrons, and
34 neutrons? *
а. 28
b. 56
С. 62
d. 90
32. What is the atomic number of an atom with 6 protons and 6 neutrons? *
а. О
b. 6
C. 12
d. 36
33. Element X has 19 protons and 20 neutrons while element Y has 19 protons and 21
neutrons. What can you say about these elements? *
a. They are different elements
b. They are identical elements
C. Element X is an isotope of element Y.
d. They have the same mass and atomic number
Lloo th
formation helow to
queotiono 34 ond 35
Transcribed Image Text:29. This was the first model of the atom ever proposed. It was simple and described atoms as tiny spheres that could not be broken down into smaller pieces. a. Democritus's model of the atom b. The "Rutherford Model" of the atom C. The "Plum Pudding Model" of the atom d. The "Quantum Mechanical Model" of the atom 30. An atom has a mass number of 23 and atomic number 11. The number of protons are, а. 11 b. 12 С. 23 d. 44 31. What is the mass number of an atom which contains 28 protons, 28 electrons, and 34 neutrons? * а. 28 b. 56 С. 62 d. 90 32. What is the atomic number of an atom with 6 protons and 6 neutrons? * а. О b. 6 C. 12 d. 36 33. Element X has 19 protons and 20 neutrons while element Y has 19 protons and 21 neutrons. What can you say about these elements? * a. They are different elements b. They are identical elements C. Element X is an isotope of element Y. d. They have the same mass and atomic number Lloo th formation helow to queotiono 34 ond 35
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