Molecules & Ions

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Molecules & Ions

Ions

Negative Ions

Gain electrons

Positive Ions

Loss electrons

Form from ionic bonding between metals and non-metal

Transfer of electrons

Matter

Pure compounds

Elements

Made up of atoms of the same type

Compounds

Produced by chemical reaction

Constant constituent

Different from those of its constituent elements

Made up of atoms of different type

Mixtures

Homogenous

Example: Ink

Hetrogenous

Example: Salad

Separate by physical method

Molecules

Form from covalent bonds between non-metals

Sharing of electrons

Atom

Electrically neutral

Contain 3 basic particles

Negative electrons

Neutral neutrons

Positive protons

smallest particles of any element

Made up matter

Isotopes

Atom of the same type

Different number of neutrons

Same number of protons