Answer:
An atom cannot have 0.9 of a neutron.
Explanation:
Isotope of hydrogen is Protium, 11H, which has one proton, one electron and no neutron. Another isotope of hydrogen, deuterium has one proton, one electron and one neutron. There are no elements with 0.9 neutron. It is not possible for an element to have fraction of a neutron, the neutron is always a whole number.
Answer:
Swimming pool is an example of solution
Explanation:
It has water (solvent) and dissolve ion (solute)
I check all of them. most of them correct but one
in question 6, the answer is the third choice. remember to find the neutrons, you take the atomic mass minus the atomic number. 38 - 18= 20
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