Podcast
Questions and Answers
Which of the following options correctly describes carbon, hydrogen, and nitrogen?
Which of the following options correctly describes carbon, hydrogen, and nitrogen?
What are the subatomic particles with a single negative charge that orbit the nucleus?
What are the subatomic particles with a single negative charge that orbit the nucleus?
If nitrogen has 7 protons, 7 neutrons, and 7 electrons, what is its atomic mass?
If nitrogen has 7 protons, 7 neutrons, and 7 electrons, what is its atomic mass?
Given p, n, and e represent protons, neutrons, and electrons, respectively, which atomic configuration would result in an atomic weight of 30?
Given p, n, and e represent protons, neutrons, and electrons, respectively, which atomic configuration would result in an atomic weight of 30?
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Why is O2 considered a molecule but not a compound?
Why is O2 considered a molecule but not a compound?
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Study Notes
Elements, Compounds, and Atoms
- Carbon, hydrogen, and nitrogen are elements.
- O2 (atmospheric oxygen) is a molecule, but not a compound; it is composed of two of the same element.
- Compounds are molecules formed from two or more different elements.
Subatomic Particles
- Electrons are negatively charged particles that orbit the nucleus of an atom.
- Protons are positively charged particles found in the nucleus.
- Neutrons are uncharged particles in the nucleus.
Atomic Mass
- Atomic mass is calculated by adding the number of protons and neutrons in an atom.
- An atom of nitrogen (7 protons and 7 neutrons) has an atomic mass of 14.
Representing Atoms
- Atoms can be represented using p, n, and e to denote the number of protons, neutrons, and electrons.
- An atom with an atomic weight of 30 has 15 protons and 15 neutrons.
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Description
Test your understanding of elements, compounds, and atoms with this interactive quiz. Dive into subatomic particles and learn how atomic mass is calculated. Challenge yourself with questions about the structure of atoms and their representations.
