The electrostatics force of repulsion between two positively charged ions carrying equal charge is 3.7× 10-7N, when they are separated by a distance of 5 overset texto mathop textA . What are the number of electrons are missing each ion?

Question

The electrostatics force of repulsion between two positively charged ions carrying equal charge is 3.7× 10-7N, when they are separated by a distance of 5 overset texto mathop textA . What are the number of electrons are missing each ion? (A) 2 (B) 4 (C) 5 (D) 10

Tardigrade Admin · Accepted Answer

From Coulambs law F=(1/4 π ε 0).(q1 q2/r2) 3.7× 10-9=9× 109× (q2/(5× 10-10)2) q=3.2× 10-19c q=nc n=(q/c)=(3.2× 10-19/1.6× 10-10)=2

Q. The electrostatics force of repulsion between two positively charged ions carrying equal charge is $3.7 \times 10^{- 7} N,$ when they are separated by a distance of 5 $A o$ . What are the number of electrons are missing each ion?

2

4

5

10

From Coulambs law $F = \frac{1}{4 π ε _{0}} . \frac{q _{1} q _{2}}{r ^{2}}$ $3.7 \times 10^{- 9} = 9 \times 10^{9} \times \frac{q ^{2}}{( 5 \times 10 ^{- 10} ) ^{2}}$ $q = 3.2 \times 10^{- 19} c$ $q = n c$ $n = \frac{q}{c} = \frac{3.2 \times 10 ^{- 19}}{1.6 \times 10 ^{- 10}} = 2$

Q. The electrostatics force of repulsion between two positively charged ions carrying equal charge is 3.7×10−7N, when they are separated by a distance of 5 Ao . What are the number of electrons are missing each ion?

2

4

5

10

From Coulambs law F=4πε0​1​.r2q1​q2​​ 3.7×10−9=9×109×(5×10−10)2q2​ q=3.2×10−19c q=nc n=cq​=1.6×10−103.2×10−19​=2

Q. The electrostatics force of repulsion between two positively charged ions carrying equal charge is $3.7 \times 10^{- 7} N,$ when they are separated by a distance of 5 $A o$ . What are the number of electrons are missing each ion?

From Coulambs law $F = \frac{1}{4 π ε _{0}} . \frac{q _{1} q _{2}}{r ^{2}}$ $3.7 \times 10^{- 9} = 9 \times 10^{9} \times \frac{q ^{2}}{( 5 \times 10 ^{- 10} ) ^{2}}$ $q = 3.2 \times 10^{- 19} c$ $q = n c$ $n = \frac{q}{c} = \frac{3.2 \times 10 ^{- 19}}{1.6 \times 10 ^{- 10}} = 2$