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jolli1 [7]
3 years ago
8

Electron movement in the bonding of Group ___ elements with Group 7A elements is best described as ______________

Physics
2 answers:
spin [16.1K]3 years ago
8 0

Answer:

<h2>Group 1A</h2><h2>Ionic bond or electrostatic bond</h2>

Explanation:

  • Bond is a type of energy that is responsible to hold two or more same or different types of atoms.
  • On the basis of bond formation, the bond may be an ionic bond, covalent bond, coordinate bond and some other.  
  • Group 7A elements like chlorine, bromine and some other has 7 electrons in its outermost shell so it receives 1 electron to complete its octet and thus the formation of chloride or other ions takes place having a negative charge.
  • So 1A group like sodium and some other has 1 electron in its outermost shell and thus loses 1 electron to obtain octane and thus form a positive ion.  
  • Thus attraction takes place between positive ions like sodium ions and negative ions like chloride ions and a bond is formed that is known as an ionic bond or electrostatic bond.
lesya692 [45]3 years ago
3 0

Answer:

2A; valence electrons moving from the metal to the nonmetal to create a crystalline solid.

Explanation:

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WILL MARK BRAINLIEST
rodikova [14]

Answer:

152,155 J

Explanation:

115,333 + 36,822 = 152,155J

8 0
3 years ago
The 5.5 million vinyl long-playing (LP) records sold in the United States per year pales in comparison with the 1.26 billion dig
miv72 [106K]

Answer:

decline

Explanation:

Based on the scenario being described within the question it can be said that these types of firms are in the decline stage of the product life cycle. This stage refers to when a product has already passed it's peak potential and sales begin to decline until production is ultimately halted and the product dies off. Which is exactly what is happening to the LP's since everyone has moved on to digital downloads.

4 0
3 years ago
Velocity can best be described by which of the following statements?
pogonyaev

Answer: Velocity can best be described as, the speed in a given direction.

Explanation: To find the answer, we need to know more about the Velocity of a body.

<h3>What is Velocity of a body?</h3>
  • Velocity is the rate of change of displacement.
  • It's a vector quantity and is measured in m/s.
  • It can be positive, negative or zero.
  • A body is said to be in uniform motion, then its velocity remains constant.
  • Change in velocity can be a change in speed.
  • The magnitude of velocity is less than or equal to speed.

Thus, we can conclude that, the option C is best describing velocity.

Learn more about velocity here:

brainly.com/question/28108466

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8 0
2 years ago
Read 2 more answers
Activity that uses 150 calories of energy per day, or 1,000 calories per week, describes ___________.
serious [3.7K]
Moderate physical activity
8 0
4 years ago
A particle moves along a straight line with equation of motion s = f(t), where s is measured in meters and t in seconds. Find th
Rashid [163]

Answer:

The velocity of the particle = -1.92 m/s

The speed of the particle = 5.72 m/s

Explanation:

Given equation of motion;

f(t) = 18 \ + \ \frac{48}{t} \ + \ 1

Velocity is defined as the change in displacement with time.

V = \frac{df(t)}{dt} = -\frac{48}{t^2} \\\\at \ t = 5 \ s\\\\V = -\frac{48}{5^2} = \frac{-48}{25} = - 1.92 \ m/s

The distance traveled by the particle in 5 s:

s = f(5) = 18 + \frac{48}{5} + 1\\\\s= 28.6 \ m

The speed of the particle when t = 5s

Speed = \frac{28.6}{5} = 5.72 \ m/s

6 0
3 years ago
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