Chemistry, asked by Anonymous, 6 months ago

1. Use the periodic table to answer the following questions:
(a) Identify an element with five electrons in the outer subshell.
(b) Identify an element that would tend to lose two electrons.
(c) Identify an element that would tend to gain two electrons.
(d) Identify the group having metal, non-metal, liquid as well as gas at the room temperature...
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Answers

Answered by sukumarsawant1510
1

Explanation:

  1. (a) Chromium (Z=24) contains five electrons in 3d subshell.
  2. (b) Magnesium (Z=12), an alkaline earth metal, can readily lose two electrons to form Mg
  3. 2+
  4. .
  5. (c) Oxygen (Z=8) gains 2 electrons to form O
  6. 2−
  7. .
  8. (d) Halogens (goup 17) contains metal (iodine), non metals (F,Cl and Br), liquid bromine and gases.
Answered by Anonymous
0

Answer:

(a) Chromium (Z=24) contains five electrons in 3d subshell.

(b) Magnesium (Z=12), an alkaline earth metal, can readily lose two electrons to form Mg

2+

(c) Oxygen (Z=8) gains 2 electrons to form O

2−

(d) Halogens (goup 17) contains metal (iodine), non metals (F,Cl and Br), liquid bromine and gases.  

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