Which element is the most abundant one in the crust (by weigh)?
A: Si
B: O
C: Al
D: Fe
A: Si
B: O
C: Al
D: Fe
举一反三
- Which element is the most abundant in the Earth (by weigh)? A: Si B: O C: Al D: Fe
- The four most abundant elements in soil are ( ). A: O, Si, Al, Fe B: K, Na, Ca, Mg C: O, Al, K, Na D: Si, Al, Ca, Mg
- 地球丰度最大的四个元素 A: N, O, Si, Al B: Fe, Mg, Si, O C: N, O, C, H D: O, Si, Al, Mg
- 地壳中含量最多的非金属元素与含量最多的金属元素分别是( ) A: Si,Al B: O,Al C: O,Fe D: Al,O
- 地壳含量最多的元素是()。 A: O B: Fe C: Al D: Si