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Answer:
The atomic mass is the average number of protons and neutrons for all natural isotopes of an element. It is a decimal number.
Explanation:
Atomic Mass and Mass Number Example
:
Hydrogen has three natural isotopes: 1H, 2H, and 3H. Each isotope has a different mass number.
1H has 1 proton. Its mass number is 1. 2H has 1 proton and 1 neutron. Its mass number is 2. 3H has 1 proton and 2 neutrons. Its mass number is 3. 99.98% of all hydrogen is 1H 0.018% of all hydrogen is 2H 0.002% of all hydrogen is 3H Together, they give a value of atomic mass of hydrogen equal to 1.0079 g/mol.
Hey day is the method of harvesting tress.
D, obviously. All living things are made of one or more cells, therefore non-living things aren’t made of cells
Answer:
1. Fe(NO3)3 is C. Chemical formula
2. Manganese Sulphate is C. Name
3. Zn is C. Symbol
Hope this helps!
