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2 years ago

Bonds: Including Carbon Compounds Quick Check

1 answer:

5 0

Metallic bonds are responsible for many properties of metals, such as conductivity. This is because the bonds can shift because valence electrons are held loosely and move freely. That is option C.

<h3>What are metallic bonds?</h3>

Metallic bonds are defined as those bonds that causes the electrostatic attraction between metal cations and delocalized electrons of another metallic substance.

The characteristics of a metallic compound with metallic bonds include the following:

strength,

malleability,

ductility,

thermal and electrical conductivity,

opacity and

luster.

The metallic bonds of these metallic atoms gives them conductivity features because the electrons from the outer shells of the metal atoms are delocalised , and are free to move through the whole structure.

Learn more about metals here:

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A boat on a river travels downstream between 2 points 20 miles apart in 1 hour. It makes its return trip against the current and

Tamiku [17]

There are two unknown quantities that we have to find. In order to work with them, we have to give them temporary names. Lets call the speed of the boat ' B ', and lets call the speed of the current ' C ' .

-- "Downstream", the current is helping the boat. The boat sails past the trees at a speed of (B + C).

(Distance) / (Speed) = Time

(20 miles) / (B + C) = 1 hour

Multiply each side by (B+C), then divide by 1 hr: 20 mi/1 hr = B + C

-- "Upstream" the boat is going against the current. It sails past the trees at a speed of (B - C).

(Distance) / (Speed) = Time

(20 miles) / (B - C) = 2.5 hours

Multiply each side by (B-C), then divide by 2.5 hr: 20 mi/2.5 hr = B - C

We're in good shape now. We have 2 equations in 2 unknowns:

Add the two equations, and you get 2B = 28. So B = 14 mph

Subtract the two equations and you get 2C = 12. So C = 6 mph

<em>The speed of the boat is 14 mph .</em>

<em>The speed of the current is 6 mph . </em>

4 0

3 years ago

With the help of a labelled diagram explain how x rays are produced in an x ray tube

sladkih [1.3K]

Answer:

X-rays are commonly produced in X-ray tubes by accelerating electrons through a potential difference (a voltage drop) and directing them onto a target material (i.e. tungsten).

The incoming electrons release X-rays as they slowdown in the target (braking radiation or bremsstrahlung). The X-ray photons produced in this manner range in energy from near zero up to the energy of the electrons.

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3 years ago

A person on another planet shines a flashlight at you. The planet and the earth are both in the same reference frame and are not

Nat2105 [25]

Assuming that they were at the exact distance away from you when they both turned on their lights your answer would be C. no matter how fast the person is moving light still travels at the same speed. please give brainliest

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4 years ago

What does the w mean in w=fxd

Volgvan

Answer:

here w means work done as we can see that it is the formula for work done where f is force and d is distance travelled. Hope it helped :-)

Explanation:

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3 years ago

Read 2 more answers

Make the following prefix conversions.<br> 0.001s =ms

Free_Kalibri [48]

Answer:

To convert a millisecond measurement to a second measurement, divide the time by the conversion ratio. The time in seconds is equal to the milliseconds divided by 1,000.

Explanation:

hope it helps

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2 years ago