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  • 1 answers

Miti Agrawal 7 years, 8 months ago

When an atom's nucleus has more than one proton, it needs a neutron to keep them bound together, as they naturally want to repel each other. Because a Hydrogen atom has only one proton, a neutron is simply unnecessary. It does not need one.
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Miti Agrawal 7 years, 8 months ago

(20÷180)*18*NA
  • 7 answers

Jyoti Meena 7 years, 8 months ago

Really true !!

Shiva Goyal 7 years, 8 months ago

I think yes 10 is the best and favourite class

Shivani Jha? 7 years, 8 months ago

Yes?

Keshav Sarangal 7 years, 8 months ago

Yes it is

Savreen Bhullar 7 years, 8 months ago

Ysss it is

Prakash Adhikari 7 years, 8 months ago

Yes

Yuvraj Jaat 7 years, 8 months ago

Yes the 11 is tough than 10
  • 1 answers

Miti Agrawal 7 years, 8 months ago

Molar mass is the mass of 1 mole substance expressed in gram and molecular mass is the mass of one molecule expressed in amu.
  • 2 answers

Shivam Kumar 7 years, 8 months ago

Mass of hydrogen=1 Mass of oxygen=16. Given,H2O=1×2+16=2+16=18

Vansh Singhal 7 years, 8 months ago

18
  • 3 answers

Aman Singh 5 years, 4 months ago

if the length of the crest of a wave is pm.write the wavelength of this wave

Miti Agrawal 7 years, 8 months ago

Frequency=1÷(700*10^-9)=1.42*10^6

Miti Agrawal 7 years, 8 months ago

Wavelength is inversely proportional to frequency.
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Kavya Sharma 7 years, 8 months ago

Frequency , wavelength ,rays such as uv rays and gamma rays ,light which is visible to us
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Shivani Jha? 7 years, 8 months ago

6.022*10^23*4.25

Miti Agrawal 7 years, 8 months ago

(4.25÷17)*4*6.022*10^23

Vineet Sharma 7 years, 8 months ago

Answer =6.022×10^21×4.25 atoms
  • 1 answers

Priti Kumari 7 years, 8 months ago

By using all rules
  • 1 answers

Afrin Ahamed 7 years, 8 months ago

Cathode: positively charged ion formed by losing electrons.. Anode: negatively charged ion formed by gaining electrons..
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Ankit Gupta 7 years, 8 months ago

M i right or not..

Ankit Gupta 7 years, 8 months ago

1.v = u + at 2. s = ut + ½ at² 3.v² = u² + 2as
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Miti Agrawal 7 years, 8 months ago

Mass of 1 mole molecule
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Manik Singh Chandel 7 years, 8 months ago

May I .,

Abhishek Yadav 7 years, 8 months ago

What kind of Help
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  • 6 answers

Jay Mahakaal 7 years, 8 months ago

Jhakaashh. And u

Saif Ansari 7 years, 8 months ago

Hello 

Miti Agrawal 7 years, 8 months ago

Hii

Kashi Rajput 7 years, 8 months ago

how are u

Anshul Sachan 7 years, 8 months ago

Hloo

Anshul Sachan 7 years, 8 months ago

Hloo
  • 1 answers

Sonu Andani 7 years, 8 months ago

According to this, the elements combine in fixed ratio by mass

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