10 Questions
What is the basic particle of the chemical elements?
Atom
What distinguishes one chemical element from another?
Number of protons
What is an ion called if it has more electrons than protons?
Negative ion
Why are atoms not visible with conventional microscopes?
They are transparent to visible light.
What is the charge of a neutron?
+0
What is the atomic structure of an atom?
An atom consists of a nucleus of protons and generally neutrons, surrounded by an electromagnetically-bound swarm of electrons.
How are chemical elements distinguished from each other?
Chemical elements are distinguished from each other by the number of protons that are in their atoms.
What are isotopes of the same element?
Atoms with the same number of protons but a different number of neutrons are called isotopes of the same element.
Why are atoms not visible with conventional microscopes?
Atoms are so small that accurately predicting their behavior using classical physics is not possible due to quantum effects.
What is the charge of the nucleus and how does it bind electrons?
The nucleus is positively charged and the electrons are negatively charged, and this opposing charge is what binds them to the nucleus.
Test your knowledge of atoms and chemical elements with this quiz. Learn about the composition of atoms, the role of protons, neutrons, and electrons, and how elements are distinguished by their atomic number.
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