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marshall27 [118]
3 years ago
14

Answer this for 100 points.

Chemistry
2 answers:
lukranit [14]3 years ago
4 0

Answer:

A I think

Explanation:

mart [117]3 years ago
4 0

Answer:

b

Explanation:

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Answer:

a) Na

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Explanation:

As we move from left to right across the periodic table the number of valance electrons in an atom increase. The atomic size tend to decrease in same period of periodic table because the electrons are added with in the same shell. When the electron are added, at the same time protons are also added in the nucleus. The positive charge is going to increase and this charge is greater in effect than the charge of electrons. This effect lead to the greater nuclear attraction. The electrons are pull towards the nucleus and valance shell get closer to the nucleus. As a result of this greater nuclear attraction atomic radius decreases and ionization energy increases because it is very difficult to remove the electron from atom and more energy is required.

As we move down the group atomic radii increased with increase of atomic number. The addition of electron in next level cause the atomic radii to increased. The hold of nucleus on valance shell become weaker because of shielding of electrons thus size of atom increased.

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3 years ago
Makes up the core of the other planets<br> stars with an M and ends with E
Sonbull [250]

Answer:

its iron not m or e

Explanation:

3 0
2 years ago
Read 2 more answers
11. Why is HCl a strong acid and HClO a weak acid?
ankoles [38]
Strong acid:dissolves and dissociates 1005 to produce protons (H+) 1. seven
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3 0
3 years ago
An 8 N force is applied to a 2 kg object. What is the magnitude of the object's acceleration? A. 0.25 m/s² B. 4 m/s² C. 6 m/s² D
mel-nik [20]

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Force = mass × acceleration

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Kinetic energy = 1/2 x mass x velocity²

8 0
3 years ago
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