Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Lead:
Atomic number
82
Symbol
Pb
Atomic weight
207.2
Discovery
Known since prehistoric time
Electronic configuration
6p2
Properties:
1. It is a heavy, soft and malleable metal with blue gray colour.
2. It shows a metallic luster when freshly cut but it gets oxidized soon.
3. It can be easily rolled into sheets and pipes or can be extruded to form pipes but cannot be cut into fine wires.
4. It is corrosion resistant.
Uses: Lead is used of the manufacturing of plates of storage batteries. It is used in covering electric cables. It is used as lead accumulators. Tin lead-alloy is used for soldering wires.
A circular hole of radius r at the bottom of an initially full water container is sealed by a ball of mass m and radius R (>r). The depth of the water is now slowly decr
What are the three particles that make up an atom? Atoms are made up of electrons, protons, and neutrons. The protons and neutrons are found together in the core of the atom, k
why CPH has speed Vc and Vc is greater than c? Answer; since you know photon has spin. Thus the path per time of a point on photon is greater than c it means the speed of photo
Evaluate the volume of water in a round reservoir approximately 1 km in radius, if the depth of the water is 15 m. Approximately how many balls with a diameter of 1.8 cm should
Kirchhoff's rules (G.R. Kirchhoff): loop rule The total of the potential differences encountered in a round trip about any closed loop in a circuit is zero. point
Name the part of modulation scheme preferred for digital communication
what is an ideal dipole
On the planet Newtonia, a simple pendulum having a bob with mass 1.25 kg and a length of 185.0 cm takes 1.42 seconds, when released from rest, to swing through an angle of 12.5 deg
Q. Derive an expression for the intensity distribution due to Fraunhofer's diffraction at a single slit and shows that the intensity of the first subsidiary maxima is about 4.5 p
what is radiation
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd