he conducted development of the modern atomic theory, which stated (each element is composed of tiny indestructible particles called atoms, oh Atoms of a given element have the same mass and other properties that distinguish them from the atoms of other elements, Atoms combined in simple number ...
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All atoms of an element have the same mass and properties. Atoms of different elements have different masses and properties. Compounds are made of atoms combined in a fixed ratio of small, whole numbers. Atoms of one element do not change into atoms of another element. ...
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how elements are grouped on the periodic table (smallest to biggest) and the amount of protons found in an element. Atomic Mass the mass of an atom. The nucleus (protons/neutrons) contains most of the mass of an atom. Chemical Symbol ...
If two elements A and B combine to form more than one compound, the masses of B that can combine with a given mass of A are in the ratio of small whole numbers. Dalton's Atomic Theory 1) elements are composed of atoms. 2) atoms of same element are identical, but differ from other...
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Isotopes are atoms of the same element with different numbers of neutrons. Some isotopes are radioactive; their nuclei spontaneously break down, forming new elements. This releases energy and often releases subatomic particles. 2.2 How do atoms interact to form molecules? Atoms gain stability by ...