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ICE Princess25 [194]

3 years ago

13

Which atom is most likely to accept electrons to form an ionic bond? a mercury ion with a negative 2 charge a potassium ion with

a negative 1 charge radon, a noble gas with 8 valence electrons sulfur, a nonmetal with 6 valence electrons

2 answers:

Lostsunrise [7]3 years ago

6 0

Answer:

The answer is d

Explanation:

joja [24]3 years ago

5 0

Answer:

its d

Explanation:

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An electron in an electron gun is accelerated from rest by a potential of 25 kV applied over a distance of 1 cm.

podryga [215]

Answer:

$9.38\times 10^7 m/s$

Explanation:

We are given that

Potential ,V=25 kV= $25\times 10^3 V$

Distance,r =1 cm= $\frac{1}{100}=0.01 m$

1 m=100 cm

Mass of electron, m= $9.1\times 10^{-31} kg$

Charge, q= $1.6\times 10^{-19} C$

We have to find the final velocity of the electron.

Speed of electron, $v=\sqrt{\frac{2qV}{m}}$

Using the formula

$v=\sqrt{\frac{2\times 1.6\times 10^{-19}\times 25\times 10^3}{9.1\times 10^{-31}}$

v= $9.38\times 10^7 m/s$

Hence, the final velocity of the electron= $9.38\times 10^7 m/s$

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The pressure required for metamorphism can be generated by

Lana71 [14]

Pressure from the weight of overlying rock

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kotykmax [81]

Answer:

The second option- a substance that a wave can travel through.

Explanation:

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A force of 20N is applied to a 10kg mass on a level frictionless surface. What is the acceleration of the mass

34kurt

Answer:

2m/s^2

Explanation:

f = ma

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