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CBSE Class 9 Answered

What is meaning of phosphorus
Asked by namyairmalwar9803.5sdatl | 07 Jun, 2020, 01:47: PM
answered-by-expert Expert Answer
Phosphorus is a chemical element. Symbol of Phosphorus is P. It is found in two major forms- (1) White Phosphorus  (2) Red Phosphorus
Answered by Ravi | 07 Jun, 2020, 09:21: PM

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CBSE 9 - Chemistry
What is meaning of phosphorus
Asked by namyairmalwar9803.5sdatl | 07 Jun, 2020, 01:47: PM
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CBSE 9 - Chemistry
how we define ions
Asked by pradoshsanesar | 10 Jan, 2020, 12:01: PM
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CBSE 9 - Chemistry
who discovered electron, proton and neutron
Asked by maltidevi8800 | 06 Dec, 2019, 09:29: PM
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CBSE 9 - Chemistry
what are isotopes?
Asked by ABHILASHA | 22 Aug, 2019, 08:46: AM
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CBSE 9 - Chemistry
Sir how find atomic mass in element  
Asked by dubeykrishna49025 | 14 Oct, 2018, 10:02: PM
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CBSE 9 - Chemistry
Define atomic number. How is it denoted? Give two examples of atomic numbers.
Asked by Topperlearning User | 13 May, 2014, 03:03: PM
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CBSE 9 - Chemistry
What determines the chemical properties of an element?
Asked by Topperlearning User | 13 May, 2014, 03:03: PM
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CBSE 9 - Chemistry
What determines the mass number of an atom?
Asked by Topperlearning User | 13 May, 2014, 03:04: PM
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CBSE 9 - Chemistry
Define mass number.
Asked by Topperlearning User | 13 May, 2014, 03:04: PM
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CBSE 9 - Chemistry
Write any three uses of isotopes.
Asked by Topperlearning User | 13 May, 2014, 03:05: PM
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