Question

तत्वों का नाम लिखो जिसका इलेक्ट्रॉनिक विन्यास 2,8,7 है​

Answer 1

Answer:

Chlorine (Cl)

Explanation:

Atomic No. = 17

Atomic Mass No. = 35.5

Greenish Yellow Gas

Excellent Bleaching Agent

Mark Brainliest

Answer 2

Answer:

Chlorine

Explanation:

As the electronic configuration of the given atom is 2,8,7 . the atomic number of element is 17 (2+8+7). Thus element with atomic number 17 is Chlorine