Molecules and Ions flashcards

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who developed the Atomic Theory of Matter? John Dalton developed the Atomic Theory of Matter.
what is the Atomic Theory of Matter? The Atomic Theory of Matter states that all matter is made up of atoms, the atoms of any given element are identical, and compounds are formed by combining different atoms.
what does the law of definite proportions state? John Dalton also stated the Law of Definite proportions which states that when two elements combine to form a series of compounds, the ratios of the masses of the second element that combine with 1g of the first element can always be reduced to small whole numbers.
what is Avogandro's Hypothesis At the same temperature and pressure, equal volumes of different gases contain the same number of particles.
How many elements are naturally occurring? There are 92 naturally occurring elements. The rest are man made.
what are Atoms This are the smallest part of an element that maintains the chemical properties of that element.
what are nucleus They contain the protons and neutrons.
what are Protons They are the positive charged atoms that determines that atomic number.
what are neutrons They contain no charge. They have the same size and mass as protons.
what are electrons They are negatively charged atoms. They have the same size as protons or neutron.
what is Atomic number This is the number of protons in an atom.
what is Mass number This is the sum of neutrons and protons in an atom.
what are Isotopes This are atoms with the same atomic number but have different number of neutrons.
what are chemical bonds This are forces that hold atoms together
what are molecules This is the smallest part of a compound.
what is molecular formular This are symbols that represent the molecules in a compound.
what is structural formular Uses lines to show bonds in a compound or molecule.
what are Ions They are formed when electrons are lost or added to an atom.
what are Cations They are formed when electrons are lost to form a positive charge.
what are anions They are formed when electrons are gained to form a negative charge.

who developed the Atomic Theory of Matter?

what is the Atomic Theory of Matter?

what does the law of definite proportions state?

what is Avogandro's Hypothesis

How many elements are naturally occurring?

what are Atoms

what are nucleus

what are Protons

what are neutrons

what are electrons

what is Atomic number

what is Mass number

what are Isotopes

what are chemical bonds

what are molecules

what is molecular formular

what is structural formular

what are Ions

what are Cations

what are anions

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