Which of the following statements are correct P regarding Mendeleevs periodic table? W (1) It is...

Channel:
PW Solutions
Subscribers:
458,000
Published on ● Video Link: https://www.youtube.com/watch?v=ZVaDESGfeI0


Duration: 4:00
0 views
0

Which of the following statements are correct
P
regarding Mendeleevs periodic table?
W
(1) It is based on atomic weight.
(2) Only 63 elements were known
(3) Position of \( \mathrm{Ga}, \mathrm{Sc} \), Ge and \( \mathrm{Tc} \) were already predicted
(4) Position of hydrogen is not fixed.
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2023-12-21For the graph given below write down their \( x-y \) P equations- W...
2023-12-21Choose the correct option from the following options given below : ...
2023-12-21Which of the following statements about \( \mathrm{P} \) Mendeleevs periodic table is/are incorr...
2023-12-21Which of the following is/are Dobereiners triad? P (a) \( \mathrm{P}, \mathrm{As}, \mathrm{Sb} \...
2023-12-21Given that the abundances of isotopes \( { }^{54} \mathrm{Fe},{ }^{56} \mathrm{Fe} \), and \( { ...
2023-12-21In the following set of reactions, \[ \mathrm{CaCO}_{3} \xrightarrow{\Delta} \mathrm{CaO}+\mathr...
2023-12-21\( G e \) and \( S i \) diodes start conducting at \( 0.3 \mathrm{~...
2023-12-21A transistor is used as an amplifier in CB mode \( \mathrm{P} \) wi...
2023-12-21Both the diodes used in the circuit shown are \( \mathrm{P} \) assu...
2023-12-21Which of the following statements is/are correct? \( \mathrm{P} \) (1) Lother Meyer curve is bas...
2023-12-21Which of the following statements are correct P regarding Mendeleevs periodic table? W (1) It is...
2023-12-21A sample of calcium oxide whose mass was \( 12 \mathrm{~g} \) was treated with \( 46.0 \mathrm{~...
2023-12-21An electron gun with its collector at a potential of \( 100 \mathrm...
2023-12-21In the circuit given below, \( V(t) \) is the sinusoidal \( \mathrm...
2023-12-21The phase difference between input and output P voltages of a CE ci...
2023-12-21The volume of a gas at \( 0^{\circ} \mathrm{C} \) and \( 760 \mathrm{~mm} \) pressure is \( 22.4...
2023-12-21Which one of the following has the highest neutrons \( \mathrm{P} \...
2023-12-21Which of the following elements show diagonal \( \mathrm{P} \) relationship? W (1) Li with \( \m...
2023-12-21Light rays of wave lengths \( 6000 \AA \) and of photon intensity \...
2023-12-21A salt composed of titanium and oxygen is \( 74.96 \% \) titanium by mass. Determine the empiric...
2023-12-21An oxide of sulphur contains \( 50 \% \) of sulphur in it. Its \( \mathrm{P} \) empirical formul...