12 Questions
What is the fundamental composition of life?
Matter
What is the total number of elements that have been defined?
118
What is the smallest component of an element that retains its chemical properties?
Atom
What is the purpose of an element's chemical symbol?
To designate the element
Why do atoms combine and bond with each other in specific ways?
Because of their unique properties
What is the minimum number of elements found in living cells?
30
What is the charge of a proton?
+1
What is the mass of an electron?
negligible
What determines the atomic number of an element?
Number of protons
What is the purpose of the periodic table of elements?
To show the atomic number and relative atomic mass of each element
What is the relationship between the atomic number and mass number of an element?
Atomic number is equal to the number of protons, and mass number is the sum of protons and neutrons
What determines the physical properties of an element, such as melting and boiling points?
Number of protons and neutrons
Learn about the building blocks of life! This quiz covers the basics of matter, elements, and atomic structure. Test your knowledge of protons, atoms, and the properties of elements.
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