Atomic Structure and Periodic Table Quiz

What is the charge of an electron?

• Variable

• Positive

• Negative

• Neutral

Where are protons located in an atom?

• In the nucleus

• In the electron cloud

• In the outer shell

• In the valence shell

What does the atomic number of an element indicate?

• The atomic mass

• The number of neutrons

• The number of protons

• The number of electrons

How is the number of neutrons in an atom calculated?

• Atomic number + atomic mass

• Atomic mass - atomic number

• Number of protons + number of electrons

• Number of electrons - atomic number

Identify the correct number of electrons in each shell for the first 20 elements.

• 2,2,2

• 8,8,8

• 2,8,8,

• 2,2,8

What are isotopes?

• Atoms with the same number of neutrons but different numbers of protons

• Atoms with the same atomic mass but different atomic numbers

• Atoms with different numbers of protons and neutrons

• Atoms with the same number of protons but different numbers of neutrons

What are valence electrons?

• Electrons in the nucleus

• Electrons in the inner shell

• Electrons in the outer shell

• Electrons in the electron cloud

What is the significance of valence electrons?

• They determine the atomic mass

• They are found in the nucleus

• They determine the reactivity

• They determine the atomic number

Which of the following is a group in the periodic table?

• Transition metals

• Alkali metals

• Noble gases

• All of the above

What is the charge of neutrons?

• Neutral

• Variable

• Negative

• Positive