All categories

3 years ago

Which of the following statements about metallic bonds is false

Biology

2 answers:

Arlecino [84]3 years ago

6 0

Metallic bonds do have shiny surfaces (hence, the name metallic).

Metallic bonds are good conductors of electricity.

Metallic bonds cannot be dissolved in water.

The correct answer is option A.

-the resulting compound has low melting and boiling points

Luden [163]3 years ago

5 0

Answer:

The resulting compound has low and melting and boiling points.

Explanation:

Metallic bond: It is the type of bond (chemical) that hold the atoms of metal together, it forms when the electrostatic attractive force present between conduction electron and fixed positive charge metal atoms. So, metal atoms have high melting and boiling point. This means that they take lot of energy to overcome these Forces (electrostatic) during melting and boiling time.

It also describes as the sharing of free electrons between the structure of positively charged ions.

You might be interested in

Which type of fault-monitoring device is most like a carpenter’s level?

GuDViN [60]

The answer is tiltmeter

7 0

3 years ago

How much has the greenhouse gas carbon dioxide increased in the air just in the last few years?.

Andrew [12]

<em>Answer: From 1990 to 2019, the total warming effect from greenhouse gases added by humans to the Earth's atmosphere increased by 45 percent. The warming effect associated with carbon dioxide alone increased by 36 percent.</em>

4 0

2 years ago

If fertilization occurs which hormone triggers the thickening of the endometrium

Doss [256]

Answer: B. Progesterone

Explanation: trust me;)

8 0

2 years ago

Briefly define and explain the differences between nature and nurture (GENERAL PSYCHOLOGY QUESTION BTW !!!!!!).

suter [353]

Proper nutrition promotes growth, leads to health and longevity, and promotes intellectual growth by affecting the brain and psyche.

Nature in general refers to the phenomenon of the physical world as well as life; It also extends from subatomic particles to the universe itself.

6 0

3 years ago

A force is applied to a particle along its direction of motion. At what speed is the magnitude of force required to produce a gi

krek1111 [17]

Answer:

Explanation:

The detailed steps are as shown below

Recalling from F = ma

a = F/m

but magnitude of force F = √ [ 1 - v²/c²]

but acceleration twice as great as the force required to produce the same acceleration;

2m = m / √[ 1 - v²/c²]

2 = 1 / √ [ 1 - v²/c²]

square both sides ;

4 = 1 / [ 1 - v²/c²]

1/4 = 1 - v²/c²

v²/c² = 3/4

v/c = √ [3/4]

v = 0.87c

but speed of light c = 3 x 10^8m/s

v = speed of the particle = 0.87( 3 x 10^8m/s)

v = 2.61m/s

5 0

3 years ago