Question

Exercise
in the blanks
1. According to the opinion of
atoms are indivisible.
2. Most of the mass of the atom is in the
3. Most of the space of the atom is
4. The number of
in an atom is called the atomic numb
5. The number of protons in the isotopes of an element is
3​

Answer 1

Answer:

1) dalton

2) nucleus

3) empty

4) electrons Or protons

5) different

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Answer 2

Answer:

1. dalton
2. necleus
3. empty
4. electrons or protons
5. different

Explanation:

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