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oee [108]
3 years ago
8

What comes first in a thunderstorm?

Chemistry
1 answer:
Vedmedyk [2.9K]3 years ago
8 0
It's the sound before the lightning because sound travels faster than light.
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Which ion in each pair has greater charge density? Explain.<br> (c) Na⁻ or Cl⁻
boyakko [2]

Cl⁻ has a greater charge density than Na⁻.

The amount of electric charge that can build up across a unit length, unit area, or unit volume of a conductor is known as charge density. In other words, it shows the amount of charge that is held in a certain field. It determines how the charge is distributed and can be either positive or negative.

We encounter electric charge density when measuring electric fields from different continuous charge distributions including linear, surface, and volume. We must also take charge density into account when analyzing current electricity. We must first comprehend this concept of density in order to comprehend charge density. The definition of density for a thing is its mass per unit volume.

Size and charge density are inversely correlated, meaning that the smaller the size, the higher the charge density. This implies that Cl has a smaller volume and a higher charge density.

To know more about charge density refer to:  brainly.com/question/12968377

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5 0
1 year ago
At what temperature will water change from a solid to a liquid (melt)?
lord [1]

Answer:

When a solid reaches the temperature of its melting point, it can become a liquid. For water, the temperature needs to be a little over zero degrees Celsius (0oC) for you to melt.

8 0
3 years ago
Read 2 more answers
Which electron configuration represents an
Naya [18.7K]
<span>Atomic number of magnesium is 12. That implies that in ground state magnesium has 2 electrons in the first level, 8 electrons in the second level, and 2 electrons in the third level. That is represented by 2 8 2. That the atom is in an excited state means that one electron (at least) is a upper level than where it is in grounded state. That situation is represented by the option (1) 2 7 3, where one electron from the second level has been promoted to the third level.</span>
8 0
3 years ago
Read 2 more answers
Match the following family of elements to its group.
docker41 [41]

Explanation:

To solve this problem, we simply use the periodic table of elements which groups elements based on their atomic numbers.

The atomic number of an element is the number of protons it contains. The protons are the positively charged particles within an atom.

  • The vertical arrangement of elements on the periodic table is the group.
  • The horizontal arrangement of elements is the period.

Now;

Noble gases  belongs to group 18

Alkali earth metals belongs to group 2

Halogens belongs to group  17

Alkali metals belongs to group 1

Transition metals belongs to group 3-12

7 0
3 years ago
The most ideal way to perform a two-point turn is by
Stells [14]
Is by turning a few seconds before

5 0
3 years ago
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