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PLSSSS HELP I JUST NEED AN EXPLANATION FOR THESE VOCAB FOR MY NOTES FOR TOMORROW!!!!!!!

just give the definition for EACH of these words (2-3 sentences plsss)

Molecule
Compound
Element
Mixture
Heterogeneous
Homogeneous
Atom
Valence Electrons
Covalent atoms
Ionic atoms


PLSSSS 50 POINTS FOR THISS!!!!! I NEED THIS FOR MY TEST!!!!!!!!

User Jzhinga
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1 Answer

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Answer:

- Molecule:

A group of two or more atoms that form the smallest identifiable unit into which a pure substance can be divided and still retain the composition and chemical properties of that substance.

- Compound:

Chemical substance composed of many identical molecules composed of atoms from more than one element held together by chemical bonds.

- Element:

An element is a pure substance consisting only of atoms that all have the same numbers of protons in their atomic nuclei.

- Mixture:

Is a material made up of two or more different Chemical substance/substances which are not chemically combined.

- Heterogeneous:

Generally means consisting of different, distinguishable parts or elements.

- Homogeneous:

A mixture in which the composition is uniform throughout the mixture.

- Atom:

The smallest unit of ordinary matter that forms a chemical element.

- Valence Electrons:

Are the electrons in the outermost shell, or energy level, of an atom.

- Covalent atoms:

A covalent bond forms when two non-metal atoms share a pair of electrons.

- Ionic atoms:

Is a type of chemical bonding that involves the electrostatic attraction between oppositely charged ions, or between two atoms with sharply different electronegativities, and is the primary interaction occurring in ionic compounds.

User TheVinchi
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