1
TS EAMCET 2020 (Online) 10th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following statements is not true about Thomson's model of atom?

A

This model can be visualised as a pudding or watermelon of positive charge with plum or seeds as electrons embedded into it.

B

The mass of the atom is assumed to be uniformly distributed over the atom.

C

An atom possesses a spherical shape in which the positive charge in uniformly distributed.

D

This model could not explain the overall neutrality of the atom.

2
TS EAMCET 2020 (Online) 10th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following statements is not the result of cathode ray discharge tube experiment with perforated anode?

A

In the absence of electric or magnetic field, the cathode rays travel in straight line.

B

In the presence of electric or magnetic field, the behaviour of cathode rays is similar to that expected from negatively charged particles.

C

In the presence of electric and magnetic field, the cathode rays travel in straight line.

D

The cathode rays starts from the cathode and move toward the anode.

3
TS EAMCET 2020 (Online) 10th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

The highest oxidation state observed in first row transition metals is

A

+6

B

+7

C

+8

D

+9

4
TS EAMCET 2020 (Online) 10th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Based on the quantum numbers, what will be the maximum number of element for sixth period of the periodic table?

A

22

B

30

C

32

D

34

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