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Questions and Answers
What is the charge of electrons?
What is the charge of electrons?
- Negative (correct)
- Variable
- Neutral
- Positive
Which subatomic particle has a mass slightly greater than that of protons?
Which subatomic particle has a mass slightly greater than that of protons?
- Electrons
- Photons
- Neutrons (correct)
- Positrons
What is the basic unit of an element that can enter into chemical combination?
What is the basic unit of an element that can enter into chemical combination?
- Electron
- Proton
- Neutron
- Atom (correct)
What is the Aufbau Principle?
What is the Aufbau Principle?
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What does the electron configuration of an atom show?
What does the electron configuration of an atom show?
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What is the purpose of the periodic table?
What is the purpose of the periodic table?
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Metalloids have properties that are intermediate between those of metals and nonmetals.
Metalloids have properties that are intermediate between those of metals and nonmetals.
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Elements in Group 7A are known as alkali metals.
Elements in Group 7A are known as alkali metals.
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The Group 8A elements are called noble gases or rare gases.
The Group 8A elements are called noble gases or rare gases.
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A molecule is an aggregate of at least two atoms in a definite arrangement held together by ______ forces
A molecule is an aggregate of at least two atoms in a definite arrangement held together by ______ forces
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Diatomic molecules contain only ______ atoms
Diatomic molecules contain only ______ atoms
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Covalent compounds are compounds that contain only ______ bonds
Covalent compounds are compounds that contain only ______ bonds
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