Elements and Compounds FLASHCARDS
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Hard
Charmion Lee
FREE Resource
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19 questions
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1.
FLASHCARD QUESTION
Front
The smallest particle of an element; made of electrons, protons, and neutrons.
Back
Atom
2.
FLASHCARD QUESTION
Front
A shorthand notation that uses chemical symbols and numbers as subscripts to represent the type and number of atoms in the smallest unit of a substance.
Back
Chemical Formula
3.
FLASHCARD QUESTION
Front
Chemical symbol: He, Atomic number: 2, Atomic mass: 4.00260
Back
Helium
4.
FLASHCARD QUESTION
Front
A new substance with unique chemical and physical properties formed when two or more elements are chemically bonded during a chemical reaction.
Back
Compound
5.
FLASHCARD QUESTION
Front
is an example of a compound formed by the chemical bonding of carbon and oxygen.
Back
Carbon dioxide (CO₂)
6.
FLASHCARD QUESTION
Front
An element is a pure substance composed of the same type of atom throughout.
Back
Transformation from gold nuggets to pure elemental gold to a gold atom.
7.
FLASHCARD QUESTION
Front
A table in which all the known elements are arranged by properties and are represented by chemical symbols.
Back
Periodic Table of Elements
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