EASY
AS and A Level
IMPORTANT
Earn 100
In which one of the following ways are isotopes of the same element exactly the same?
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Important Questions on Atomic Structure
EASY
AS and A Level
IMPORTANT
Deduce the number of electrons, protons and neutrons in .
EASY
AS and A Level
IMPORTANT
Deduce the number of electrons, protons and neutrons in .
MEDIUM
AS and A Level
IMPORTANT
Read the paragraph in 'Developing an idea: Nanomachines' at the beginning of this chapter about Rutherford's work in discovering the nucleus.
Why, in Rutherford's experiment, did most of the alpha particles go straight through the metal foil and so few bounced back?
MEDIUM
AS and A Level
IMPORTANT
Read the paragraph in 'Developing an idea: Nanomachines' at the beginning of this chapter about Rutherford's work in discovering the nucleus.
Suggest what happened to the alpha particles that went a little way from the nucleus. Use ideas of attractive or repulsive forces.
MEDIUM
AS and A Level
IMPORTANT
Read the paragraph in 'Developing an idea: Nanomachines' at the beginning of this chapter about Rutherford's work in discovering the nucleus.
Use your knowledge of what you have learned in this chapter to think about any other experiments that could have been used.
EASY
AS and A Level
IMPORTANT
Boron is an element in Group 13 of the Periodic Table.
Boron has two isotopes.
Deduce the number of i) protons, ii) neutrons and iii) electrons in one neutral atom of the isotope .
EASY
AS and A Level
IMPORTANT
Boron is an element in Group 13 of the Periodic Table.
Boron has two isotopes.
What do you understand by the term isotope?
MEDIUM
AS and A Level
IMPORTANT
Boron is an element in Group 13 of the Periodic Table. Boron has two isotopes.
State the relative masses and charges of i) an electron ii) a neutron iii) a proton
