[DOC] [TLE] Atomic Weight - History - Hydrogen, Oxygen, Weights, and Atoms ... [PAR] ... existed a good two thousand years before the time of John Dalton, he was the 
first ... Atoms, as Dalton defined them, were hard, solid, indivisible particles with 
no ... who found that water consisted of only two elements, hydrogen and oxygen, 
... which is eight times heavier than hydrogen, would have a weight of eight units. [DOC] [TLE] Atoms - Chemistry Encyclopedia - reaction, water, elements, gas ... [PAR] Currently, 110 different elements, and thus 110 different kinds of atoms, are 
known to exist. ... have progressed more rapidly. Figure 1. Aristotle's four-element 
diagram. ... John Dalton (17661844), a self-educated English scientist, was 
primarily ... oxygen atom is eight times as heavy as two hydrogen atoms or 
sixteen times... [DOC] [TLE] Atomic theory: atoms, elements, nucleus - Chem1 [PAR] May 13, 2016 ... Elements heavier than iron cannot be formed in this way, and are produced ... 
Most of the atoms in the universe still consist of hydrogen, with ... which were later 
modified and popularized by John Dalton (See here). ..... Later work corrected 
this figure to 8, but the wrong assumption about the formula of water... [DOC] [TLE] Atoms of Definite Weight: Dalton - Le Moyne [PAR] Items 7 - 12 ... John Dalton (1766-1844; view portrait at the National Portrait Gallery, London) 
was .... If some of the particles of water were heavier than others, if a parcel of the 
liquid ... of all homogeneous bodies are perfectly alike in weight, figure, &c. .... In 
all these cases the weights are expressed in atoms of hydrogen, each... [DOC] [TLE] Atoms - What are they? What's inside them? - Explain that Stuff [PAR] Apr 6, 2016 ... An easy-to-understand introduction to atoms, molecules, elements, ... In other 
words, an atom of helium is four times heavier than an atom of hydrogen, while 
an atom of ... to an atom of oxygen and you'll make a single molecule of water. ... 
called carbon-14, with six protons, six electrons, and eight neutrons. [DOC] [TLE] Map of Notes Chap 1 Activity 3 by Lindsey Lundgren on Prezi [PAR] Relative Mass of Elements John's Five Postulates What we Know. ... do so in a 
definite proportion by mass John Dalton's five postulates of Atomic Theory: ... 2) 
All atoms of a given element are identical in mass and all other properties ... -
oxygen is 8 times heavier than hydrogen Scientists eventually determined a 
scale of... [DOC] [TLE] Atomic theory - Wikipedia [PAR] John Dalton studied and expanded upon this previous work ... This paper was 
published in 1805, but he did not discuss there exactly how he obtained these 
figures. ... 5.5 times heavier than hydrogen atoms, because in water he ... the 
oxygen atom must weigh 8 relative to hydrogen equals 1,... [DOC] [TLE] Chemistry 12 Chapter 5: The mole - Wignall and Wales website [PAR] The equation shows equal numbers of atoms  but how do we count atoms? ... 
to try to compare the masses of different atoms was John Dalton in 1806 (see 
page 2). ... the mass of oxygen, which combined with hydrogen to make water or 
carbon ... a hydrogen atom, while carbon was 5 times heavier than a hydrogen 
atom. [DOC] [TLE] atomic mass facts, information, pictures | Encyclopedia.com articles ... [PAR] It is obvious, then, that an entirely different unit is needed for measuring the ... 
The term "dalton" honors English chemist John Dalton (1766-1844), who, ... 
Average atomic mass figures range from 1.008 amu for hydrogen, the first ... 
times already, it would be fruitless to determine the mass of individual atoms or 
molecules. [DOC] [TLE] Full Print Version - WebAssign [PAR] 1.3 John Dalton and Atomic Theory . .... 6.2 Central Atoms With More Than Four 
Electron Regions . ... Chapter 8  Solids. 174 ..... The figure shows three ..... than

Question: John Dalton figured that in water, an atom of this was 8 times heavier than an atom of hydrogen
Answer: oxygen