Could someone help me to understand ionic bonds, covalent bonds, and, more specifically, non-polar and polar covalent bonds?
Stacey Warren - Expert brainly.com
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a covalent bond happens when two atoms share an electron. they can fall into 2 types polar and non-polar, polarity happens when there is an uneven displacment of electrons. for if we look at the molecule HF and you know your periodic trends you would know F is going to pull its electron closer to the nuchulas harder than H has the ability to pull. so on the florine side you get a slight negitive charge and on the H you get a slight psoitive charge. This difference of charge is sometimes called a dipole also but means it's a polar molecule. Later you will learn about bigger polar molecules like SF4 which is also polar but is polar because of its molecular geometry.
Ionic bonds are usually evidenced by hard crystalline solids, with high melting points and typically pair a metal with a non-metal: NaCl(s)
Covalent bonds are common in non-metals. H_2O(l); N_2(g); C_6H_12O_6(s) are all held together by covalent bonds.
Thanks, Zbay, and thanks Jetzt, as well, but I was basically looking for an explanation of polarity, which Zbay gave me.