27 Questions
What determines which element an atom is?
Number of protons
What is the atomic number of an element?
Number of protons
Which element has an atomic number of 2?
Helium
What are isotopes?
Different forms of the same element with the same number of protons and neutrons
What is the most common form of carbon?
Carbon-12
What does the mass number of an isotope represent?
Total number of protons and neutrons
What does the symbol 'C' represent in the nuclear symbol?
Carbon
What is the number of protons in the nucleus of a lithium atom?
3
What does 'abundance' refer to in the context of isotopes?
How common or rare the isotope is
What is the abundance of copper 63?
69.2%
What is the abundance of copper 65?
30.8%
What is the sum of the abundances of copper 63 and copper 65?
100
What is the sum of the masses of copper 63 and copper 65?
100
What is the relative atomic mass of copper to one decimal place?
63.6
What does 'relative atomic mass' denote?
The average mass of a copper atom
What did Dmitri Mendeleev devise in the mid-nineteenth century?
The organization of known elements into the periodic table
What does the atomic number of an element represent?
The number of protons in the atom
What is the significance of the group number in the periodic table?
It indicates the total number of electrons in the outermost shell
What is the name given to the elements in Group 7 of the periodic table?
Halogens
What is the defining characteristic of the elements in Group 0 of the periodic table?
They have full outer shells of electrons
What is the function of the zigzag line on the periodic table?
To separate metals from nonmetals
What do the elements in each vertical column of the periodic table have in common?
They have the same number of electrons in their outermost shell
What determines how an element reacts with other substances?
The number of electrons in the outermost shell
What do the transition metals in the periodic table represent?
Elements with partially filled d or f subshells
What is the significance of the block of elements between Group 2 and Group 3 in the periodic table?
They have no group numbers assigned
How are the elements arranged within each period of the periodic table?
In order of increasing atomic number
What do the alkali metals in Group 1 of the periodic table have in common?
They all have one electron in the outer shell
Atomic Structure Quiz: Test your knowledge of atoms, protons, neutrons, and electrons. Explore the basics of elements and their composition. Perfect for science enthusiasts and students studying chemistry.
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