why cadmium always preferred to +2 charge ?

Q: Give the basic property of proton and electron (Electricity)

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Q: A strong lightning bolt transfers an electric charge of about 28 C to Earth (or vice versa). How…

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Q: #4. A 3 C charge and a 2 C charge attract each other with 5 N of force. How much will a 4 C charge…

A: Given: The charges: qA = 3 C and qB = 2 C; The force of attraction acting on these charges: F1 = 5…

Q: How many coulombs of charge are required to cause reduction of 0.25 mole of Cu2* to Cu? Multiple…

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Q: The smaller water droplets in thunderclouds store     negative charge     positive charge     no…

A: 18. 1. Very small droplet of water in the form of vapor is called clouds.

Q: Question 13 Which of these statement is incorrect about electrons? O Electrons repel other…

A: Q Given that Electrons Let look at each statement one by one.

Q: An aluminum nail has an excess charge of +6.4 How many electrons must be added to the nail to make…

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Q: (2)- The units of Coulomb's constants are 1- NmC 2- Nm 3- Nm C 4-C

A: Given : To choose correct unit for Coloumb's constant.

Q: How many electrons are needed to form a charge of –22.3 nC?

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Q: what is the net charge of 10 gm of water after removing 1% of its electrons?

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Q: Two charges are separated by a distance d and exert mutual attractive forces of F=14.2N on each…

A: The force between the two charges is given by  where, q and q' is the charge and r is the distance.…

Q: A group of students investigated the properties of an electrophorus similar to the one shown here.…

A: Transfer of charge by contact:

Q: What happens when an atom loses an electron? O It becomes negatively charged. O It becomes…

A: Option b is the right answer  It becomes positively charge

Q: If Beryllium loses 2 electrons what charge will it have?

A: Required : If Beryllium loses 2 electrons what charge will it have?

Q: What is saturation or limiting surface charge?

A: A charge is a subatomic particle property that helps to experience a force when placed in an…

Q: electrons are added to an oil droplet, it will be charged positively. True False

A: Electron is a negative charge particle having a charge - 1.6 × 10-19 C.

Q: Give the importance of each type of dipole 1. Electric dipole 2. Molecular Dipole 3.…

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Q: Compare the following pairs in terms of the given factors. (,=) Capacitance: Germanium_ Barium…

A: Germanium< Barium Titanate Because germanium has low dielectric effect in capacitor than the…

Q: Conductors are materials in which All electrons are bound to atoms and cannot

A: Each material is different and has its characteristics and properties. Some materials have…

Q: How many electrons are needed to form a charge of 4.00 nano-Coulomb? Write your answer in whole…

A: Given value--- charge = 4 nC. We have to find--- number of electron?

Q: Determined the force between charges. V [ Choose ] Coulomb Kelvin The simplest building block of…

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Q: Which of the following statements is NOT true regarding electric charges? O a. Electric charges are…

A: We know that  Bye law of conservation of electric charge, electric charge of the system remains…

Q: Two ballons are charged with an identical quanity and type of charge: -4.3 C. They are held apart at…

A: Given data: Charge on balloons (Q) = -4.3 C Distance (d) = 56.4 m

Q: an iron atom has a net positive charge it must be:

A: Given atom has net positive charge

Q: is an example of good conductor of electricity. O a. silicon O b. rubber O c. germanium O d. silver

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Q: Suppose that a metal file cabinet is charged. How will the charge concentration at the corners of…

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Q: Calculate the magnitude of the Coulomb force between 2 hydrogen ions, H each with a charge of +e on…

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Q: Which of the following statements is NOT true regarding electric charges? a. A neutral atom contains…

A: Answer a A neutral atom contains equal amount of positive and negative charges  The above statement…

Q: A positive charge is brought near to a dipole, as shown in (Figure 1). Figure 1 of 1 + Part A If the…

A: We know in electrodynamics,  Like charges (charges with same polarity) repell each other. It means…

Q: An electron of oxygen and an electron of hydrogen is separated by a distance of 2.3 nm. Find the…

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Q: Two point charges of 2 nC and a 5 nC are 10 micro-meters apart. A third point charge of 6.2 nC is…

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Q: The source of electrons is .A negative electrode .B cathode .C all of above .D

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Q: What happens when an atom gains an electron? O It becomes negatively charged. O It becomes…

A: If an atom gains electrons, The atom becomes an anion (a negative ion) and it's overall charge…

Q: Two point charges of +2.0 uC and - 1.0 µC are 10 cm apart. The electrical force between them is *

A: Given data:  Two point charges Q1 = +2.0 μC Q2 = -1.0 μC Distance (r) = 10 cm = 0.10 m Required:…

Q: An aluminum nail has an excess charge of 3.1 µC (3.1 × 10¬6 C). How many electrons must be added to…

A: In this question we have to find the number of electrons required to make the nail electrically…

Q: An object has a charge of -4.1 μC. How many electrons must be removed so that the charge becomes…

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Q: are produced by electric charg O True O False

A: Magnetic Field is the region around a magnetic material or a moving electric charge within which the…

Q: Calculate the Coulomb force between an electron and a proton which are separated by 5.3 х 10-11m.

A: Given data:  An electron and a proton Distance (r) = 5.3×10-11 m Required: The coulomb force between…

Q: Which fact is true about an electrie field?

A: The answer is below

Q: How many electrons are needed to yield a total charge of 4.5 µC?

A: Given data:  Total charge (Q) = 4.5 μC = 4.5×10-6 C Required: The number of electrons (n)

Q: How many electrons are necessary to produce 1.0 C of negative charge?    e = 1.60 × 10-19 C

A: The charge on electron

Q: Materials in which electric charges (electrons) cannot move freely are called a. insulators O b.…

A: Free electron conduct electricity, and materials which do not conduct electricity are called…

Q: All electrons in every atom accelerate in the presence of electric fie FALSE TRUE

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Q: What determines whether electrons will move when charging by friction? electron affinity metallic…

A: Solution: Given: Which property determines whether electrons will move when charging by friction?…

Q: Soldering becomes easy due to the addition of flux. Why?

A: Step 1A flux is a chemical cleaning agent which have function is metallurgy and metal joining. Some…

Q: is an example of good conductor of electricity. O a. germanium O b. silver O c. rubber O d. silicon

A: Silver has higher electrical conductivity.