10 Questions
Which of the following is an example of a compound?
H2O
Which particles make up an atom?
Protons, neutrons, and electrons
What is the atomic number of an element?
The number of protons in an atom
What is the difference between an element and a compound?
An element is made up of only one type of atom, while a compound is made up of two or more different types of atoms
What is the atomic mass of an atom?
The combined mass of protons and neutrons in an atom
Which particles have a positive charge?
Protons
What is the chemical symbol for oxygen?
O
Which of the following is an example of a compound?
H2O
What is the smallest unit of an element that retains its chemical properties?
Atom
Which particles are found in the nucleus of an atom?
Protons and neutrons
Test your knowledge of the chemistry of atoms and molecules in this anatomy lesson. Learn about elements, compounds, protons, neutrons, and electrons, and how they come together to form cells and matter.
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