Atomic Structure and Elements Quiz

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Questions and Answers

What is the basic particle of the chemical elements?

Electron
Neutron
Proton
Atom (correct)

What distinguishes one chemical element from another?

Number of neutrons
Number of electrons
Number of protons (correct)
Atomic mass

What is an ion called if it has more electrons than protons?

Charged ion
Neutral ion
Positive ion
Negative ion (correct)

Why are atoms not visible with conventional microscopes?

They are transparent to visible light. (A) Signup and view all the answers

What is the charge of a neutron?

+0 (A), -0 (D) Signup and view all the answers

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. Signup and view all the answers

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. Signup and view all the answers

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. Signup and view all the answers

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. Signup and view all the answers

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. Signup and view all the answers

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