In the crystals of the following substances, the substance with ionic bonds is ( ).
A: SO2
B: SiO2
C: NaCl
D: H2O
A: SO2
B: SiO2
C: NaCl
D: H2O
举一反三
- Which of the following substances is not amphoteric substance? A: H2O B: HCO3- C: H2PO4- D: CO32-
- Among the following substances, which have both ionic and covalent<br/>bonds ( ) A: KCl B: CO C: Na2SO4 D: NH4+
- Among the following particles, which contains both ionic and covalent bonds is ( ) A: Ca(OH)2 B: H2O2 C: Na2O D: MgCl2
- 砂岩的主要成分为（ ），粘土含量小于（ ）. A: CaCO3，25% B: SiO2和Al2O3，15% C: SiO2，25% D: SiO2,30%
- 由SiO 2 、B 2 O 3 和Al 2 O 3 三种氧化物形成的玻璃，若SiO 2 ＞B 2 O 3 ＞Al 2 O 3 ，则此玻璃称为（ ）