Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
10 Cards in this Set
- Front
- Back
|
On the periodic table, most elements are shown to have an atomic mass, which is a fractional number because
|
Elements have isotopes with differing numbers of neutrons
|
|
|
The uncharged elements in column VIIIA of the periodic would have...
|
2 electrons in outer shell (if small) and 8 electrons (if large)
|
|
|
MA theory says...
|
Electrons sometimes behave as waves or energy clouds
|
|
|
Aluminum is in column IIIA and oxygen is in column VIA, one would expect that aluminum oxide would be...
|
Al2O3
|
|
|
Combustion is...
|
reactions with oxygen
|
|
|
During the combustion of CH4, when it reacts with oxygen, the reaction might be expected to produce...
|
CO2, H2O and possibly other products
|
|
|
In a film we saw that the transition elements
|
Are all in the center part of the periodic table and called "B" columns
|
|
|
Total number of valence electrons in a (CN)-1 ion is...
|
10
|
|
|
In the reaction 2H2 +O2 = 2H2O, 2 moles of H2 would have a mass of what?
|
4 g
|
|
|
In the equation C+ O2= CO, one mole of O2 would require how many moles of C to have the right ratio for complete reaction?
|
2
|
