Question

a) What are the three main parts of an atom?
__________________, _________________ and __________

b) What charge does a proton have? _______________

c) What charge does an electron have? ______________

d) What charge does a neutron have? ________________

e) If one electron (-) is removed, what charge does the atom possess then?

f) Write down the atomic number of helium.

Answer 1

Answer:

a)proton,neutron,electron

b) +

c)minus

d)no charge

e) +charge

f) 2

Explanation:

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Answer 2

a)protons, neutrons, and electrons

b)positive

c)negative

d)neutral