1) <span>CaH</span><span>₂</span> - ионная
<span>CH</span><span>₄</span> - ковалентная полярная
<span>H</span><span>₂</span> - ковалентная неполярная
<span>HCl</span>– ковалентная полярная
<span>CaCl</span><span>₂</span><span> - </span>ионная
2) <span>H</span><span>₂⁺¹</span><span>S</span><span>⁺⁶</span><span>O</span><span>₄⁻²</span>
<span>P</span><span>₂⁺⁵</span><span>O</span><span>₅⁻²</span>
<span>C</span><span>₂⁻³</span><span>H</span><span>₆⁺¹</span>
<span>N</span><span>⁻³</span><span>H</span><span>₃⁺¹</span>
<span>S</span><span>⁺⁶</span><span>O</span><span>₃⁻²</span>