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nlexa [21]
3 years ago
8

1. A neutral atom of fluorine (F) has 9 electrons and an electron configuration of 1s2 2s2 2p5. How will it ionize to achieve an

octet in its valence shell?
A. It will gain one electron in its 2nd energy level to have a valance configuration of 2s2 2p6.
B. It will lose 5 electrons from its 2nd energy level to have a valance configuration of 2s2
C. It will lose 7 electrons form it 2nd energy level to have a valance configuration of 1s2
D. It will no ionize, it already has an octet of electrons in its valance shell.

2. A neutral atom of neon has 10 electrons and an electron configuration of 1s2 2s2 2p6. How will it ionize to satisfy the octet rule?
A. It will lose 6 electrons from the 2nd energy level to have a valence configuration of 1s2 2s2.
B.It will lose 8 electrons from the 2nd energy level to have a valence configuration of 1s2.
C.It will gain 8 electrons in a 3rd energy level to have a valence configuration of 1s2 2s2
Chemistry
1 answer:
Natasha2012 [34]3 years ago
4 0
These answers dont make sense

1. the 2s2 orbital will give one of its electrons to the 2p5 orbital so the configuration would be 1s22s12p6 (2s1 is half filled and 2p6 is completely filled which is a much more stable configuration)

2. Neon does not need to ionize it is a noble gas
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5 0
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2) which statement describes ionic bonding?
garik1379 [7]

Answer

odpowiedzi   d

Explanation

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7 0
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3 0
3 years ago
Which of the following best describes a metal? Brittle, shiny, and solid Brittle, dull, and low density Malleable, shiny, and ab
yanalaym [24]

Answer : The correct option is, Malleable, shiny, and able to conduct heat or electricity.

Explanation:

Metals : Metals are the elements which can easily loose electrons and forms cations.

Properties of metals :

  • They are lustrous (shine).
  • They are malleable and ductile (flexible).
  • They conduct heat and electricity.
  • The metallic oxides are basic in nature.
  • They form cations in an aqueous solution.

Non-metals : Non-metals are the elements which can easily gain electrons and form an anion.

Properties of non-metals :

  • They are non-lustrous.
  • They are brittle and hard in nature.
  • They do not conduct heat and electricity.
  • The non-metallic oxides are acidic in nature.
  • They form anions in an aqueous solution.

Hence, from the given options the correct option for metal is, Malleable, shiny, and able to conduct heat or electricity.

8 0
3 years ago
Read 2 more answers
A sample of hydrogen gas occupies a volume of 4.1 Liters
BigorU [14]

Answer:

p2=172.2KPA

Explanation:

use Boyle's law

p1 x v1 = p2 x v2

p1= 105 kpa

v1=4.1L

p2= ?

v2= 2.5L

substitute;

105 x 4.1 = p2 x 2.5

p2= ( 105 x 4.1)\2.5

p2=172.2KPA

8 0
3 years ago
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