Chemistry
24.01.2021 01:25
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determine the mass number and the atomic number of a chlorine atom that has 17 protons
determine the mass number and the atomic number of a chlorine atom that has 17 protons and 18 neutrons.
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mpete1234567890
4,7(17 marks)
35.453 atomic mass units
You can use Phet (Atomic masses, Elements and more) for Chemistry
stgitskaysie367
4,5(86 marks)
4 Easy steps
1. Write the Unbalanced Chemical Equation
2. Write Down Number of Atoms
3. Add Coefficients To Balance Mass in a Chemical Equation
4. Balance Oxygen and Hydrogen Atoms Last
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