Physical Science for ProgressPrentice-Hall, 1970 - 626 σελίδες |
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Σελίδα 38
... become ions by losing or gaining electrons . Try to remember that in the formation of ionic compounds Na cannot become Na + unless some other element is present that can form a negative ion . Cl also can- not become Cl- unless there is ...
... become ions by losing or gaining electrons . Try to remember that in the formation of ionic compounds Na cannot become Na + unless some other element is present that can form a negative ion . Cl also can- not become Cl- unless there is ...
Σελίδα 40
... become ions by losing or gaini electrons . When chlorine gains an electron it is no longer an atom of chlorine , it ... become Cl- unless there is some o element present that can become a pos ion . at is , to form ons or two e The ...
... become ions by losing or gaini electrons . When chlorine gains an electron it is no longer an atom of chlorine , it ... become Cl- unless there is some o element present that can become a pos ion . at is , to form ons or two e The ...
Σελίδα 406
... become radon . After 1600 more years one half of the remaining radium atoms become radon . This process continues indefinitely . If we begin with 1 gram of radium , it would decay to 2 gram 1600 years from now . After another 1600 years ...
... become radon . After 1600 more years one half of the remaining radium atoms become radon . This process continues indefinitely . If we begin with 1 gram of radium , it would decay to 2 gram 1600 years from now . After another 1600 years ...
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UNIT | 49 |
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