1.5 Describe the nucleus of an atom as a very small compared to the overall size of the atom Flashcards
What is the nucleus of an atom?
The nucleus is the central core of an atom, containing protons and neutrons.
True or False: The nucleus is larger than the overall size of the atom.
False
Fill in the blank: The nucleus is ______ compared to the overall size of the atom.
very small
What particles are found in the nucleus?
Protons and neutrons.
How does the size of the nucleus compare to the size of the entire atom?
The nucleus is much smaller than the entire atom.
Multiple choice: What is the approximate diameter of a nucleus compared to the diameter of the atom?
About 1/100,000 the size of the atom.
What is the primary function of the nucleus?
To contain the majority of an atom’s mass and house protons and neutrons.
True or False: Electrons are located in the nucleus.
False
What is the approximate size of a typical atomic nucleus?
On the order of 10^-15 meters.
Fill in the blank: The overall size of an atom is primarily determined by the ______.
electron cloud
Multiple choice: Which of the following best describes the nucleus?
A dense, small center of an atom.
What is the mass of the nucleus relative to the entire atom?
The nucleus contains nearly all the mass of the atom.
True or False: The nucleus is positively charged.
True
What is the charge of protons found in the nucleus?
Positive charge.
What role do neutrons play in the nucleus?
They contribute to the mass and stability of the nucleus.
Fill in the blank: The nucleus is surrounded by ______.
electron clouds
Multiple choice: Which particle is not found in the nucleus?
Electrons.
How does the size of the electron cloud compare to the nucleus?
The electron cloud is much larger than the nucleus.
True or False: The nucleus is the largest part of the atom.
False
What determines the identity of an element in an atom?
The number of protons in the nucleus.
Fill in the blank: The ______ of an atom is made up of protons and neutrons.
nucleus
What is the relative size of an atom compared to the nucleus?
Atoms are about 100,000 times larger than their nuclei.
Multiple choice: What is the primary component of an atomic nucleus?
Protons and neutrons.
True or False: The nucleus has a significant effect on the chemical properties of an atom.
False
What is the term for the strong force that holds the nucleus together?
Nuclear force.
