https://padlet.com/belinda_sensiba/3zwmt6w2ipqd You may use internet for videos, information, and pictures. You may not copy and paste and it must be in your own words. Title must be your name to get credit. If someone beats you to the same info you may not use it. Find something else. en-us 2016-10-24 22:32:57 UTC 2024-08-15 17:39:18 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Apple.png belinda_sensiba https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133060484 2016-10-25 15:51:51 UTC https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133060484 https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133061927 Dmitri Mendeleev made the first periodic table. It arranges all the known elements informative array. ]]> 2016-10-25 15:55:21 UTC https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133061927 https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133062018 The different rows of elements are called periods.
The Periodic Table of the Elements arranges all of the known elements in an informative array.
The number of protons in an atom defines what element it is]]> 2016-10-25 15:55:37 UTC https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133062018 https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133062123 the left side are metals
helium is second because it has two protons]]> 2016-10-25 15:55:52 UTC https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133062123 https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133063352 Dimitri Mendeleev discovered the periodic table.

]]> 2016-10-25 15:58:33 UTC https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133063352 https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133063394 how the element is put in it common group like gas, metals and liquid

]]> 2016-10-25 15:58:40 UTC https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133063394 https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133063395 The country Argentina is named after the element silver and the only letter not in the periodic table is J ]]> 2016-10-25 15:58:40 UTC https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133063395 https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133063764 technetium was the first element to be made artificially.]]> 2016-10-25 15:59:28 UTC https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133063764 https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133063796 90 of the elements occur in everyday nature. (: ]]> 2016-10-25 15:59:33 UTC https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133063796 https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133064217 there 18 numbered groups in a periodic table]]> 2016-10-25 16:00:34 UTC https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133064217 https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133064386 it is the way of organizing elements by number of atoms


]]> 2016-10-25 16:01:00 UTC https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133064386 https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133064465 1.hydrogen is the first element in the table because it has 1 proton
2. mass number-atomic number equals neutrons

]]> 2016-10-25 16:01:10 UTC https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133064465 https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133064999 the right side are non metals , left side are metals and the metalloids are the stair steps on the right.]]> 2016-10-25 16:02:20 UTC https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133064999 https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133065216  atoms of an element to get larger as their atomic number increases this does not always occur because the size of an atom is determined by the diameter of its electron shell. In fact, element atoms usually decrease in size as you move from left to right across a row or period.]]> 2016-10-25 16:02:49 UTC https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133065216 https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133065337 Similar chemical properties to other elements in the same column - in other words similar chemical reactions. thats called periodic law]]> 2016-10-25 16:03:02 UTC https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133065337 https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133065355 The element symbol is one, two or three letters chosen to represent an element]]> 2016-10-25 16:03:04 UTC https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133065355 https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133065478 Atomic number is the number of protons each atom has in its nucleus]]> 2016-10-25 16:03:20 UTC https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133065478 https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133065835 There is 118 elements on the periodic table ]]> 2016-10-25 16:04:05 UTC https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133065835 https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133066367 Similar chemical properties to other elements in the same column - in other words similar chemical reactions. thats called periodic law]]> 2016-10-25 16:05:13 UTC https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133066367 https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133066583 Dmitri mendwleev was the founder of the periodic table ]]> 2016-10-25 16:05:44 UTC https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133066583 https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133066957 On the bottom of the periodic table there is a two row block of elements that contain the lanthanoids and actinides

]]> 2016-10-25 16:06:34 UTC https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133066957 https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133068264 There are 7 ]]> 2016-10-25 16:09:36 UTC https://padlet.com/belinda_sensiba/3zwmt6w2ipqd/wish/133068264