Atomic Structure and Radioactivity Quiz

Atomic Structure and Radioactivity Quiz

10 Qs

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Atomic Structure and Radioactivity Quiz

Atomic Structure and Radioactivity Quiz

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Ahmed Nour

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the Geiger-Marsden experiment, what percentage of alpha particles were scattered back towards the source?

0.0125%
75%
100%
50%

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the Geiger-Marsden experiment reveal about the structure of an atom?

Atoms are uniformly dense
Atoms are completely solid
Atoms have no internal structure
Atoms are mostly empty space

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the approximate size of the nucleus compared to the entire atom?

1/100
1/1,000,000
1/10,000
1/2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which particle in an atom has no electrical charge?

Positron
Neutron
Electron
Proton

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the atomic number (Z) represent?

Total number of electrons
Total number of neutrons
Mass of the atom
Number of protons in the nucleus

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What defines an isotope?

Different number of electrons
Different number of protons
Different number of neutrons
Different chemical properties

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens during ionization?

Protons change
Nucleus splits
Atom gains or loses electrons
Neutrons multiply

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