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3 years ago

How many electrons can carbon accept from other atoms while bonding? (1 point)

Physics

2 answers:

solong [7]3 years ago

7 0

Answer: Four electrons

Explanation:

vovangra [49]3 years ago

4 0

Answer:

4 electrons

Explanation:

Carbon atoms have 2 shells and 6 electrons. The first shell contains 2 electrons making it a full shell. The second shell only has 4 electrons. In order to complete the shell, the atom needs a total of 8 electrons. Therefore, while bonding, carbon can accept 4 electrons.

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A train crosses a bridge that is 1300 m long in 1 minute and 5 seconds.

Nat2105 [25]

Answer:

I'm pretty sure it's 20m/s because 1300m divided by 65 seconds is 20 so I think it's 20m/s

Explanation:

3 0

2 years ago

What is the amount of work done when a force of 10N moves a 20kg mass of 8 meters?

Nataly_w [17]

Yo sup??

we should know that

work done=force*displacement

W=F.s

F=10 N

s=8 m

therefore

W=10*8

=80 N

Hope this helps.

3 0

2 years ago

What is the density of a piece of quartz with a mass of 30g and a volume of 6cm^3

FromTheMoon [43]

Answer:

$\boxed {\boxed {\sf d= 5 \ g/cm^3}}$

Explanation:

Density can be found by dividing the mass by the volume.

$d=\frac{m}{v}$

The mass of the quartz is 30 grams and the volume is 6 cubic centimeters.

$m=30 \ g \\v= 6 \ cm^3$

Substitute the values into the formula.

$d=\frac{30 \ g}{6 \ cm^3}$

Divide.

$d= 5 \ g/cm^3$

The density of this piece of quartz is 5 grams per cubic centimeter.

7 0

3 years ago

A project for a science class asks teams of students to build a windmill. The windmill is placed in front of a large floor fan.

shtirl [24]

The answer to your question would be team C, because the lifted the most weight in the shortest time. Team A might have been the fastest team but the also lifted the least amount of weight. And team B lifted a good amount of weight but they also did it the slowest.

8 0

3 years ago

Arace car accelerates uniformly at 11.3 m/s2. If the race car starts from rest how fast will it

Ganezh [65]

Answer:

75.71 m/s

Explanation:

From equation of motion, acceleration is given by

$a=\frac {v-u}{t}$ where v is the final velocity, u is the initial velocity and t is time taken.

Making v the subject of the above formula

v=at+u

Substituting 6.7 s for time, t and 11.3 for a and taking u as zero since it starts from rest

v=11.3*6.7=75.71 m/s

7 0

2 years ago