https://padlet.com/3047331/flj7th616kwa Made with a quick smile en-us 2017-12-06 20:10:26 UTC 2017-12-06 20:36:25 UTC hello@padlet.com 3047331 https://padlet.com/3047331/flj7th616kwa/wish/213904944 a punctuation mark (.) used at the end of a sentence or an abbreviation.]]> 2017-12-06 20:27:25 UTC https://padlet.com/3047331/flj7th616kwa/wish/213904944 3047331 https://padlet.com/3047331/flj7th616kwa/wish/213905132 a number of people or things that are located close together or are considered or classed together]]> 2017-12-06 20:27:58 UTC https://padlet.com/3047331/flj7th616kwa/wish/213905132 3047331 https://padlet.com/3047331/flj7th616kwa/wish/213905452 any of the elements lithium, sodium, potassium, rubidium, cesium, and francium, occupying Group IA (1) of the periodic table. They are very reactive, electropositive, monovalent metals forming strongly alkaline hydroxides.]]> 2017-12-06 20:28:57 UTC https://padlet.com/3047331/flj7th616kwa/wish/213905452 3047331 https://padlet.com/3047331/flj7th616kwa/wish/213905998 any of the elements beryllium, magnesium, calcium, strontium, barium, and radium, occupying Group IIA (2) of the periodic table. They are reactive, electropositive, divalent metals, and form basic oxides that react with water to form comparatively insoluble hydroxides.]]> 2017-12-06 20:30:37 UTC https://padlet.com/3047331/flj7th616kwa/wish/213905998 3047331 https://padlet.com/3047331/flj7th616kwa/wish/213906344 any of the series of fifteen metallic elements from lanthanum to lutetium in the periodic table.]]> 2017-12-06 20:31:25 UTC https://padlet.com/3047331/flj7th616kwa/wish/213906344 3047331 https://padlet.com/3047331/flj7th616kwa/wish/213906655 any of the series of fifteen metallic elements from actinium (atomic number 89) to lawrencium (atomic number 103) in the periodic table. They are all radioactive, the heavier members being extremely unstable and not of natural occurrence.]]> 2017-12-06 20:32:15 UTC https://padlet.com/3047331/flj7th616kwa/wish/213906655 3047331 https://padlet.com/3047331/flj7th616kwa/wish/213907079 any of the set of metallic elements occupying a central block (Groups IVB–VIII, IB, and IIB, or 4–12) in the periodic table, e.g., iron, manganese, chromium, and copper. Chemically they show variable valence and a strong tendency to form coordination compounds, and many of their compounds are colored.]]> 2017-12-06 20:33:30 UTC https://padlet.com/3047331/flj7th616kwa/wish/213907079 3047331 https://padlet.com/3047331/flj7th616kwa/wish/213907970 any of the gaseous elements helium, neon, argon, krypton, xenon, and radon, occupying Group 0 (18) of the periodic table. They were long believed to be totally unreactive but compounds of xenon, krypton, and radon are now known.]]> 2017-12-06 20:35:52 UTC https://padlet.com/3047331/flj7th616kwa/wish/213907970