CBSE IX Chemistry Structure of the Atom
how do you find the atomic mass of an atom
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25th March 2008
6:56 PM
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CBSE IX Chemistry Structure of the Atom
I want the first 30 names of elements with atomic mass, atomic number and valency
Asked by singhaivk05
25th January 2015
5:12 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
An element X reacts with oxygen to form a compound X2O3.if the atomic mass of X is 91.5 the equivalent mass of X?
Asked by amitjena226
30th November 2017
10:29 AM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
The specific heat capacity of metal is 1 J/g/K . If equivalent mass of metal is 9 , calculate it's exact atomic mass
Asked by arunavamitra50
6th May 2018
8:11 PM
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CBSE IX Chemistry Atoms and Molecules
what are atomic mass
Asked by shailendrakumar
7th June 2018
10:56 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
what is dulongs and petils law said?
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20th July 2018
6:02 PM
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CBSE IX Chemistry Structure of the Atom
Sir how find atomic mass in element
Asked by dubeykrishna49025
14th October 2018
10:02 PM
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CBSE IX Chemistry Atoms and Molecules
What is atomic mass? Please clearly give me the answer Without using the example of Carbon12atom
Asked by chauhanpradeepkuldeepchauhan
18th October 2018
5:17 AM
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CBSE IX Chemistry Atoms and Molecules
Why do we take atomic mass of carbon 12 as standard ?
Asked by gargtanya408
9th November 2018
12:34 PM
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ICSE X Chemistry Mole Concept and Stoichiometry
The mass of an atom of lead on=202
Asked by Shrinivasdangi07
21st March 2019
10:34 PM
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ICSE VIII Chemistry Language of Chemistry
I want atomic mass of first 20 elements.
Asked by radheshyamsaf485
4th June 2019
4:57 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
A compoundmade up of two elements A and B has A=70%,B=30 Their relative number of moles in compound is 1.25 and 1.88, calculate: [ i ] Atomic masses of the elements A and B [ ii ] Molecular formula of the compond,if its molecular mass is found to be 160.
Asked by aniljhalic95136
9th July 2019
1:57 PM
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ICSE X Chemistry Mole Concept and Stoichiometry
What is Gram Atomic Mass and how it is calculated?
Asked by aashimegh
4th August 2019
2:45 PM
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ICSE VIII Chemistry Atomic Structure
an element consists of 15 protons and 16 neutrons . mention the number of electrons , atomic number and mass number of this element?
Asked by subhashini
28th August 2019
9:29 PM
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CBSE IX Chemistry Atoms and Molecules
I want the first 30 names of elements with atomic mass, atomic number and valency
Asked by cap040106
17th September 2019
5:05 PM
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CBSE IX Chemistry Atoms and Molecules
write a report on the first periodic table elements with atomic weight
Asked by venkatreddyjukanti5
3rd December 2019
6:50 AM
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CBSE XI Science Chemistry Mole Concept and Stoichiometry
What is the weight of one mole of NaCl in grams? Please explain with stepwise solution.
Asked by ayushmishradbb
28th March 2020
4:05 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
URGENT! Dear expert, Pls help me out with this question with a proper solution: If the atomic mass unit 'u' were defined to be 1/5th of the mass of Carbon -12 isotopes what will be the atomic mass of nitrogen on carbon scale?(atomic weight of N on conventional scale= 14)
Asked by pratikshyadashrkl
13th May 2020
8:29 PM
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ICSE VII Chemistry Atomic Structure
What is the atomic mass?
Asked by rudrajadhav41.7spicertl
14th May 2020
1:35 PM
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CBSE IX Chemistry Atoms and Molecules
mass of 5.84*10^21 atoms of Helium
Asked by tarshith2006
29th May 2020
5:19 PM
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CBSE IX Science
A naturally occurring sample of lithium contains 7.42℅ of the relative mass of is 6.05 and that of is 7.016. Calculate the atomic mass of occurring sample of lithium atomic mass .
Asked by swatipuspapatel
12th October 2020
1:03 PM
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CBSE IX Chemistry Atoms and Molecules
Calculate the mass of 1.5 mole of methane CH4
Asked by fathimahiba717
27th November 2020
7:51 PM
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ICSE X Chemistry Periodic Table - Periodic Properties and Variations of Properties
23 atomic mass, 11 protons, how many neutrons
Asked by bethelhouse434a
27th June 2022
10:08 PM
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CBSE IX Chemistry Atoms and Molecules
(B) An element X has 17 protons and 18 electrons. (a) what is the valency of X? (b) find the number of neutrons in X? (c) What is the mass number of X?
Asked by muditsharma287
9th March 2023
10:10 PM
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CBSE XI Science Chemistry Structure of Atom
find the number of protons and neutrons in 235 U 92
Asked by kv3582976
11th October 2023
6:57 AM
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