Physical Science for ProgressPrentice-Hall, 1970 - 626 σελίδες |
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Σελίδα 32
... weight . The atoms of different elements have different relative weights . The relative weights of all known atoms have been determined . This is done by comparing them with the weight of the carbon 12 atom . A carbon 12 atom is given the ...
... weight . The atoms of different elements have different relative weights . The relative weights of all known atoms have been determined . This is done by comparing them with the weight of the carbon 12 atom . A carbon 12 atom is given the ...
Σελίδα 33
... weight of the neutrons plus the weight of the protons equals the atomic weight of the atom . The number of protons in the nucleus of an atom of a certain ele- ment is called the atomic number of that element . Iron has an atomic weight ...
... weight of the neutrons plus the weight of the protons equals the atomic weight of the atom . The number of protons in the nucleus of an atom of a certain ele- ment is called the atomic number of that element . Iron has an atomic weight ...
Σελίδα 150
... weight of a solute is the same number of grams as the sum of the atomic weights of the atoms repre- sented in the formula of the compound . One gram molecular weight of ammonia , NH3 , is 17 grams ( N - 14 , H - 1 ) . The weight of a ...
... weight of a solute is the same number of grams as the sum of the atomic weights of the atoms repre- sented in the formula of the compound . One gram molecular weight of ammonia , NH3 , is 17 grams ( N - 14 , H - 1 ) . The weight of a ...
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distributors of the John Frankenheimer film Grand Prix A General Electric Company 337 bottom rightGeneral Electric | 92 |
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acid acting ACTIVITY added amount atoms beam become body called carbon causes cell charges chemical chemical change circuit color combining compounds connected contains copper determined direction distance earth effort electrical electrical charges electrons elements energy engine equal experiment explain facts feet FIGURE flow force fuel gain gives glass grams happens heat hour hydrogen inch increases ions iron kinds lamp laser layer length light liquid magnet mass materials matter means measure metal miles mirror molecules moon motion move nature needed object oxygen particles piece plane plate pole position pounds pressure produced push rays reflected resistance Result rock scientists shell side sodium solution sound space speed spring stars Study surface temperature Terms theory travels tube turns units waves weight wire