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6 questions
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- Q1
How many protons of aluminum ion (Al+3) has if its atomic number is 13?
14
13
15
30sS8MT-IIIe-f-10 - Q2
Which of the following is the smallest particle of an atom?
molecules
compound
subatomic
30sS8MT-IIIe-f-10 - Q3
What is the charge of an ion if it has 8 protons and 9 electrons?
+2
+1
-1
30sS8MT-IIIe-f-10 - Q4
Which subatomic particles are located outside the nucleus?
electron
neutron
proton
30sS8MT-IIIe-f-10 - Q5
The scientist who is best known for his "Plum Pudding" model of the atom.
J.J Thompson
Democritus
�John Dalton
30sS8MT-IIIe-f-10 - Q6
Helium has 4 atomic mass, 2 atomic numbers, 2 electrons, 2 protons, and 2 neutrons. Which of the following is the correct distribution of subatomic particles of Helium?�
30sS8MT-IIIe-f-10
