All elements are made of basic particles called ___________
Atoms are mostly ______________________.
______________ property cannot be directly observed unless going through the process.
If you heat a liquid and measure the temperature at which it boils, you are measuring a(n) __________
If you describe methane as a gas that easily catches fire, you are describing a ___________________
Protons have a ______________________.
A _________________ is a single kind of matter that has specific makeup and properties made of only 1 type of atom.
A ____________ are a group of symbols and numbers that represent the atoms combined in a compound.
__________________ are 1 or 2 letters that represent the name of an element.
A(n) _____________________ is formed from 2 or more elements that are chemically combined in a set ratio.
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