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Non-metals

Non-metals are chemical elements that lack the characteristic metallic properties and thus appear dull and are poor conductors of heat and electricity. They tend to have a relatively low melting point, boiling point, and density; and exist as solids, liquids, and gases at room temperature and normal pressure.

In the periodic table, non-metals are grouped together on the right-hand side (see Figure 1).

Overview of all known elements categorized by atomic number. Column 1 from top to bottom includes 1 H, 3 L I, 11 N A, 19 K, 37 R b, 55 C s, 87 F r, 119 U u n. Column two begins at row 2 and includes 4 B e, 12 M g, 20 C a, 38 S r, 56 B a, 88 R a. Column 3 to 12 begin at row 4. Column 3 includes 21 S c, 39 Y. Column 4 includes 22 T i, 40 Z r, 72 H f, 104 R f. Column 5 includes 23 V, 41 N B, 73 T A, 105 D B. Column 6 includes 24 C R, 42 M O, 74 W, 106 S G. Column 7 includes 25 M N, 43 T C, 75 R E, 107 B H. Column 8 includes 26 F E, 44 R U, 76 O S, 108 H S. Column 9 includes 27 C O, 45 R H, 77 I R, 109 M T. Column 10 includes 28 N I, 46 P D, 78 P T, 110 D S. Column 11 includes 29 C U, 47 A G, 79 A U, 111 R G. Column 12 includes 30 Z N, 48 C D, 80 H g, 112 C N. Column 13 to 17 begin at row 2. Column 13 includes 5 B, 13 A l, 31 G A, 49 I n, 81 T i, 113 N h. Column 14 includes 6 C, 14 S i, 32 G E, 50 S N, 82 PB, 114 F l. Column 15 includes 7 N, 15 P, 33 A S, 51 S B, 83 B i, 115 m c. Column 16 includes 8 O, 16 S, 34 S E 52 T E, 84 P O, 116 L V. Column 17 includes 9 F, 17 C l, 35 B r, 53 I, 85 A T, 117 T S. Last column 18 includes 2 H E, 10 N E, 18 A R, 36 K R, 54 X E, 86 R N, 118 O G. Lanthanides and actinides are extra rows at bottom.

Figure 1: Periodic Table

Referred from:

Article
Metalloids