Na পরমাণুর 11th ইলেকট্রনের গতিবেগ কত হবে?(What will be the velocity of 11th electron of Na atom?) - Prothom Sir

Na পরমাণুর 11th ইলেকট্রনের গতিবেগ কত হবে?

(What will be the velocity of 11th electron of Na atom?)

Created: 9 months ago | Updated: 1 month ago

231.52 \times 10^{5} c m / s e c

309.11 \times 10^{5} c m / s e c

617.55 \times 10^{6} c m / s e c

801.95 \times 10^{6} c m / s e c

912.20 \times 10^{6} c m / s e c

720

নিম্নের কোন বিক্রিয়ায় নাইটোজেন গ্যাসের বুদবুদ পাওয়া যায়?(Which one of the following reactions give bubbles of nitrogen gas?)

Created: 7 months ago | Updated: 1 month ago

C H_{3} N H_{2} + C H_{3} C l + K O H (a l c) \overset{△}{\to}

C H_{3} N H_{2} + H N O_{2} (a q) \to

(C H_{3})_{2} N H + H N O_{2} (a q) \to

(C H_{3})_{3} N + H N O_{2} (a q) \to

C_{6} H_{5} N H_{2} + C H C l_{3} + K O H (a l c) \overset{△}{\to}

794

Created: 7 months ago | Updated: 1 month ago

25.05 L

20.05 L

15.05 L

10.05 L

13.00 L

1444

Created: 7 months ago | Updated: 1 month ago

1.11 \times 10^{13}

1. 34 \times 10^{14}

1. 83 \times 10^{14}

1. 51 \times 10^{14}

1. 49 \times 10^{13}

1452

Created: 7 months ago | Updated: 1 month ago

9.12 g

11.23 g

14.52 g

18.13 g

21.33 g

1475

Created: 7 months ago | Updated: 1 month ago

6.023 \times 10^{23}

9.85 \times 10^{21}

98.5 \times 10^{21}

98.5 \times 10^{22}

9.85 \times 10^{25}

1523