Podcast
Questions and Answers
What is the smallest particle of an element that can be divided and have properties of that element?
What is the smallest particle of an element that can be divided and have properties of that element?
- Electron
- Neutron
- Atom (correct)
- Proton
Which particle has no charge in the nucleus of an atom?
Which particle has no charge in the nucleus of an atom?
- Proton
- Electron
- Valence Electron
- Neutron (correct)
What describes the atom as a small, positively charged nucleus surrounded by electrons that travel in circular orbits around the nucleus?
What describes the atom as a small, positively charged nucleus surrounded by electrons that travel in circular orbits around the nucleus?
- Neils Bohr (correct)
- Atomic mass
- Mass number
- Atomic number
How is the number of valence electrons related to elements in the same column of the periodic table?
How is the number of valence electrons related to elements in the same column of the periodic table?
What is the charge of the electron cloud surrounding an atom?
What is the charge of the electron cloud surrounding an atom?
How can you calculate the number of neutrons in an atom if you know its atomic number and atomic mass?
How can you calculate the number of neutrons in an atom if you know its atomic number and atomic mass?
Which term refers to a pure substance made of one kind of atom?
Which term refers to a pure substance made of one kind of atom?
What is the number of protons and neutrons collectively known as in an atom?
What is the number of protons and neutrons collectively known as in an atom?
What is the fundamental unit used to express the mass of protons and neutrons?
What is the fundamental unit used to express the mass of protons and neutrons?
In an atom, what is at the center core and contains both protons and neutrons?
In an atom, what is at the center core and contains both protons and neutrons?
Which scientist, in 1913, proposed that electrons orbit the nucleus in circular paths?
Which scientist, in 1913, proposed that electrons orbit the nucleus in circular paths?
What term is used to describe a negatively charged particle that orbits the nucleus of an atom?
What term is used to describe a negatively charged particle that orbits the nucleus of an atom?
What does the atomic number of an atom represent?
What does the atomic number of an atom represent?
How can the number of valence electrons of an element be determined from its position on the periodic table?
How can the number of valence electrons of an element be determined from its position on the periodic table?
What mathematical operation is used to calculate the number of neutrons in an atom when atomic number and atomic mass are known?
What mathematical operation is used to calculate the number of neutrons in an atom when atomic number and atomic mass are known?
Which part of an atom has no charge and is located in the nucleus?
Which part of an atom has no charge and is located in the nucleus?
What is defined as anything that has mass and takes up space (volume)?
What is defined as anything that has mass and takes up space (volume)?
In an atom, what is considered to be the fundamental particle with a negative charge?
In an atom, what is considered to be the fundamental particle with a negative charge?
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