Atomic number of an element represents: (a) Number of neutrons in the nucleus. (b) Atomic mass o...

Channel:
PW Solutions
Subscribers:
449,000
Published on ● Video Link: https://www.youtube.com/watch?v=_cwnl3V8eHA


Duration: 1:16
4 views
0

Atomic number of an element represents:
(a) Number of neutrons in the nucleus.
(b) Atomic mass of an element.
(c) Valency of an element.
(d) Number of protons in the nucleus.
๐Ÿ“ฒPW App Link - https://bit.ly/YTAI_PWAP
๐ŸŒPW Website - https://www.pw.live



Other Videos By PW Solutions


2023-06-19A light whose frequency is equal to \( 6 \times 10^{14} \mathrm{~Hz} \) is incident on a metal w...
2023-06-19A bulb of \( 40 \mathrm{~W} \) is producing a light of wavelength \( 620 \mathrm{~nm} \) with \(...
2023-06-19Light of wavelength \( \lambda \) falls on metal having work function \( \mathrm{hc} / \lambda_{...
2023-06-19Electromagnetic radiations of wavelength \( 242 \mathrm{~nm} \) is just sufficient to ionise Sod...
2023-06-19The highest value of e \( / \mathrm{m} \) of anode rays has been observed when the discharge tub...
2023-06-19The MRI (magentic resonance imaging) body scanners used in hospitals operate with \( 400 \mathrm...
2023-06-19Sometimes it is convenient to construct a system of units so that all quantities can be expresse...
2023-06-19Atomic number of an element represents: (a) Number of neutrons in the nucleus. (b) Atomic mass o...
2023-06-19Increasing order (lowest first) for the values of \( \mathrm{e} / \mathrm{m} \) (charge/ mass) f...
2023-06-19To check the principle of multiple proportions, a series of pure binary compounds \( \left(\math...
2023-06-19Atomic number of an element represents: (a) Number of neutrons in the nucleus. (b) Atomic mass o...
2023-06-19Rutherfords experiment on scattering of \( \alpha \)-particles showed for the first time that th...
2023-06-19When alpha particles are sent through a thin metal foil, most of them go straight through the fo...
2023-06-19Which is the correct statement about proton? (a) It is a nucleus of deuterium. (b) It is an ioni...
2023-06-19Nucleons are: (a) Protons and neutrons. (b) Neutrons and electrons. (c) Protons and electrons. (...
2023-06-19The ratio of \( \mathrm{e} / \mathrm{m} \) for a cathode ray: (a) Varies with a gas in a dischar...
2023-06-19Cathode rays have: (a) Mass only (b) Charge only (c) No mass and no charge (d) Mass and charge both
2023-06-19The approximate size of the nucleus of \( { }_{28}^{64} \mathrm{Ni} \) is: (a) \( 3 \mathrm{fm} ...
2023-06-19When \( 800 \mathrm{~mL} \) of \( 0.5 \mathrm{M} \) nitric acid is heated in a beaker, its volum...
2023-06-1956.0 \( \mathrm{L} \) of nitrogen gas is mixed with excess of hydrogen gas and it is found that ...
2023-06-19Chlorophyll extracted from the crushed green leaves was dissolved in water to make \( 2 \mathrm{...