Among the following substances, which have both ionic and covalent
bonds ( )
A: KCl
B: CO
C: Na2SO4
D: NH4+
bonds ( )
A: KCl
B: CO
C: Na2SO4
D: NH4+
举一反三
- Among the following particles, which contains both ionic and covalent bonds is ( ) A: Ca(OH)2 B: H2O2 C: Na2O D: MgCl2
- Which of the compounds below have bonds that are predominantly ionic?() A: KCl B: CF4 C: NH3 D: both A and B E: both B and C
- 下列物质中，既有离子键又有共价键的是( ) A: KCl B: CO C: Na<sub>2</sub>SO<sub>4</sub> D: NH<sub>4</sub><sup>+</sup>
- In the crystals of the following substances, the substance with ionic bonds is ( ). A: SO2 B: SiO2 C: NaCl D: H2O
- 下列溶液pH值最高的是 ( ) A: Na<sub>2</sub>SO<sub>4</sub> B: Na<sub>2</sub>CO<sub>3</sub> C: NH<sub>4</sub>Cl D: NH<sub>4</sub>Ac