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lina2011 [118]
3 years ago
5

How many valence electrons does boron have

Physics
2 answers:
mel-nik [20]3 years ago
6 0
The correct answer is 2
marshall27 [118]3 years ago
4 0

Answer: 3

Explanation:

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Using an elastic cord, the astronaut in the black shirt pulls the astronaut with the red shirt back towards him before releasing
pishuonlain [190]

Answer:

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Explanation:

8 0
3 years ago
A chain has a mass of 10.0 kg. It is hanging freely, at rest, with one end connected to a ceiling hook.
Elza [17]

Answer:

Identify the object to be analyzed. For some systems in equilibrium, it may be necessary to consider more than one object. Identify all forces acting on the object. Identify the questions you need to answer. Identify the information given in the problem. In realistic problems, some key information may be implicit in the situation rather than provided explicitly.

Explanation:

Identify the object to be analyzed. For some systems in equilibrium, it may be necessary to consider more than one object. Identify all forces acting on the object. Identify the questions you need to answer. Identify the information given in the problem. In realistic problems, some key information may be implicit in the situation rather than provided explicitly.

8 0
3 years ago
Is ice cream a solid -or is it actually a solid?
blondinia [14]
It is a solid when is frozen and a liquid when it melts
6 0
3 years ago
Read 2 more answers
Does anyone know this?
e-lub [12.9K]
Explanation: The first one
Source: it literally has fusion in the name
5 0
3 years ago
Read 2 more answers
An archer pulls her bowstring back 0.376 m by exerting a force that increases uniformly from zero to 251 N. (a) What is the equi
Amanda [17]

Answer:

(A) 667.5 N/m

(B)

Explanation:

(A) Let the spring constant be k.

Using the formula F = kx

k = 251 / 0.376

K = 667.5 N/m

(B)

Work done

W = 0.5 × kx^2

W = 0.5 × 667.5 × 0.376 × 0.376

W = 47.2 J

8 0
3 years ago
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