What is the relative size of an electron compared to a proton?

An electron is much smaller than a proton.

What is the role of neutrons in the nucleus?

Neutrons help to stabilize the nucleus.

What is the main function of electrons in an atom?

Electrons are involved in chemical bonding and electricity conduction.

How do electrons contribute to the atom's volume?

Electrons occupy the electron cloud, which makes up most of the atom's volume.

What determines the atomic number of an element?

The number of protons in the nucleus

What is the role of protons in the nucleus?

Protons determine the identity of an element and contribute to the nucleus's positive charge.

How do neutrons affect isotopes of an element?

Neutrons determine the isotope of an element by varying in number while the number of protons remains constant.

What is the significance of the electron cloud in an atom?

The electron cloud determines the atom's size and is involved in chemical reactions and bonding.

What is the role of valence electrons in chemical reactions?

Valence electrons are involved in forming chemical bonds during reactions.

How does the number of protons affect the element's identity?

The number of protons defines the element and its position in the periodic table.

What is the relationship between electron configuration and chemical properties?

Electron configuration determines an element's chemical properties and reactivity.

What is the significance of isotopes in scientific research?

Isotopes are used in various fields such as medicine for diagnostic imaging and treatment, in archaeology for dating artifacts, and in environmental science for tracing chemical pathways.

What is the relationship between atomic mass and isotopes?

Atomic mass is the weighted average of all the isotopes of an element, taking into account their relative abundance.

What is the significance of the atomic number in the periodic table?

The atomic number determines the element's position in the periodic table and its chemical properties.

How do electrons influence the chemical bonding of an atom?

Electrons, especially valence electrons, participate in forming chemical bonds by being shared or transferred between atoms.

What is the relationship between protons and the element's identity?

The number of protons in the nucleus defines the element and distinguishes it from other elements.

How do protons and neutrons contribute to the atomic mass?

Protons and neutrons both contribute to the atomic mass, with each having a mass of approximately 1 amu.

What is the role of the nucleus in an atom?

The nucleus contains protons and neutrons, and it is the central part of the atom that holds most of its mass.

How do isotopes of an element differ from each other?

Isotopes of an element have the same number of protons but different numbers of neutrons, resulting in different atomic masses.

What is the significance of the neutron-to-proton ratio in the nucleus?

The neutron-to-proton ratio affects the stability of the nucleus; an imbalance can lead to radioactivity.

Atomic Structure Flashcards Flashcards

Student preview

30 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is the charge of a proton?

Back

Positive charge

2.

FLASHCARD QUESTION

Front

What is the mass of a proton?

Back

1 amu (atomic mass unit)

3.

FLASHCARD QUESTION

Front

Where is a proton found?

Back

In the nucleus

4.

FLASHCARD QUESTION

Front

What is the charge of an electron?

Back

Negative charge

5.

FLASHCARD QUESTION

Front

What is the mass of an electron?

Back

Approximately 0.0005 amu (atomic mass unit)

(We will use the approximate value of 0 amu)

6.

FLASHCARD QUESTION

Front

Where is an electron found?

Back

In the electron cloud surrounding the nucleus

7.

FLASHCARD QUESTION

Front

What is the charge of a neutron?

Back

Neutral charge

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