
Basic Chemistry Concepts
Flashcard
•
Chemistry
•
KG
•
Practice Problem
•
Hard
Kristy Allison
FREE Resource
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62 questions
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1.
FLASHCARD QUESTION
Front
Atom
Back
The smallest unit of an element, made up of protons, neutrons, and electrons. It is the basic building block of matter.
2.
FLASHCARD QUESTION
Front
Proton
Back
A positively charged particle found in the nucleus (center) of an atom. It helps determine the element's identity.
3.
FLASHCARD QUESTION
Front
Neutron
Back
A particle with no charge (neutral) found in the nucleus of an atom. Neutrons, along with protons, make up the atom's mass.
4.
FLASHCARD QUESTION
Front
Electron
Back
A negatively charged particle that orbits around the nucleus of an atom. Electrons play a key role in chemical reactions.
5.
FLASHCARD QUESTION
Front
Valence Electrons
Back
The electrons in the outermost shell (energy level) of an atom. They are important in forming bonds with other atoms.
6.
FLASHCARD QUESTION
Front
Quarks
Back
Tiny particles that make up protons and neutrons. There are six different types of quarks, but protons and neutrons are made of up and down quarks.
7.
FLASHCARD QUESTION
Front
Atomic number
Back
The number of protons in the nucleus of an atom. It determines the identity of the element.
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