Atomic Structure and Properties Quiz

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What primarily contributes to the mass of an atom?

The surrounding shells

Electrons

Neutrons and protons (correct)

The nucleus itself

What defines the chemical identity of an atom?

Mass number

Atomic number (correct)

Electron configuration

Number of neutrons

What happens during ionization?

Electrons are gained by the atom

Electrons are removed from the atom (correct)

Protons are added to the nucleus

Neutrons are lost from the nucleus

Which of the following particles has a positive charge?

Proton Signup and view all the answers

What is the Heisenberg Uncertainty Principle related to?

Determining electron location precisely Signup and view all the answers

Which type of motion is not exhibited by electrons?

Rectilinear motion Signup and view all the answers

In terms of nuclear spin, what is true about nuclei with even atomic and mass numbers?

They typically have no net spin Signup and view all the answers

Isotopes of an atom differ in which aspect?

Number of neutrons Signup and view all the answers

What primarily determines the chemical identity of an atom?

Atomic number Signup and view all the answers

What happens to an atom when it loses electrons?

It becomes an ion. Signup and view all the answers

Which of the following components of an atom carries a negative charge?

Electrons Signup and view all the answers

What effect does Heisenberg's Uncertainty Principle have on the behavior of electrons?

It suggests the position of electrons cannot be precisely known. Signup and view all the answers

What is the mass number of an atom equal to?

Number of protons plus neutrons Signup and view all the answers

Which of the following motions does not occur within the atom?

Proton trajectory Signup and view all the answers

What type of atom is created when there are more neutrons than protons?

An isotope Signup and view all the answers

In MRI, what is the significance of having an even mass number in a nucleus?

The nucleons spin in opposite directions, canceling each other out. Signup and view all the answers

What characterizes the atomic number?

The sum of protons in the nucleus Signup and view all the answers

What is the main component of the atom's mass?

Nucleons Signup and view all the answers

Which of the following statements about isotopes is true?

Isotopes have the same number of protons but different numbers of neutrons. Signup and view all the answers

What occurs when an atom's stability is disrupted?

It can create ions by losing or gaining electrons. Signup and view all the answers

Which of the following particles possesses no net charge?

Neutron Signup and view all the answers

What aspect of atomic structure does MRI primarily rely on?

The spins of nuclei Signup and view all the answers

How many types of motion exist in an atom according to the content?

Three Signup and view all the answers

Why is an atom considered stable?

When the number of electrons equals the number of protons. Signup and view all the answers