https://padlet.com/i_rai/j8cjeqrdlqv5 Year 9A en-us 2017-07-31 02:44:11 UTC 2020-08-26 03:23:46 UTC hello@padlet.com i_rai https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179737026 2017-07-31 02:46:54 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179737026 i_rai https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179737041 2017-07-31 02:47:05 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179737041 i_rai https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179737053 2017-07-31 02:47:12 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179737053 i_rai https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179737077 2017-07-31 02:47:34 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179737077 i_rai https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179737083 2017-07-31 02:47:39 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179737083 i_rai https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179737093 2017-07-31 02:47:50 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179737093 p_jain https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179737764 Substances  that all have a common atom.

For example: Hydrogen, Helium, Zinc, etc.
 ]]> 2017-07-31 02:58:08 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179737764 ammna_khan https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179737769  Compounds contain two or more elements joined together.

]]> 2017-07-31 02:58:16 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179737769 d_smith6 https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179737789 They are divided into 2 basic groups: metals and non-metals]]> 2017-07-31 02:58:31 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179737789 ariya_maskara https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179737812  when two or more elements are chemically joined.

]]> 2017-07-31 02:58:48 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179737812 dahyun_lee https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179737824 They are a combination of two or more substances that are not chemically combined.  ]]> 2017-07-31 02:58:58 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179737824 d_smith6 https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179737902 94 are found naturally and 24 are artificially prepared in labs]]> 2017-07-31 03:00:39 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179737902 d_smith6 https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179737978 Metals are lustrous and conductive ]]> 2017-07-31 03:02:12 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179737978 ammna_khan https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179737991 2017-07-31 03:02:32 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179737991 ariya_maskara https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179737992 2017-07-31 03:02:33 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179737992 p_jain https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738000 Arranged in the periodic table according to the atomic number. 1-118]]> 2017-07-31 03:02:40 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738000 d_smith6 https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738089 non-metals are dull and insulative]]> 2017-07-31 03:02:51 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738089 p_jain https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738162 Every one of these has its own unique atom.]]> 2017-07-31 03:03:13 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738162 p_jain https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738175 Metals:
Magnesium
Iron
Zinc
Silver

Non-Metals:
Carbon
Sulfur
Oxygen
Nitrogen

]]> 2017-07-31 03:03:47 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738175 d_smith6 https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738195 Metals have high melting points and low freezing points]]> 2017-07-31 03:04:11 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738195 ariya_maskara https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738215 2017-07-31 03:04:33 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738215 d_smith6 https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738217 Some elements react with one-another]]> 2017-07-31 03:04:33 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738217 dahyun_lee https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738230 they can be divided into two types : Homogenous and hetrogenous]]> 2017-07-31 03:04:43 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738230 ammna_khan https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738249 salt, water and sugar  

]]> 2017-07-31 03:05:05 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738249 d_smith6 https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738250 All metals react with oxygen and when saturated form hydroxides]]> 2017-07-31 03:05:05 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738250 ariya_maskara https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738278 2017-07-31 03:05:26 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738278 dahyun_lee https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738292 In a homogenous mixture, constituents present are uniformly mixed and have no arise of separation]]> 2017-07-31 03:05:44 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738292 ariya_maskara https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738346 2017-07-31 03:06:26 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738346 ammna_khan https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738395 Carbondioxide is an example of a pure compound]]> 2017-07-31 03:07:22 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738395 d_smith6 https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738448 Hydrogen is the most common of these]]> 2017-07-31 03:08:23 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738448 p_jain https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738475 All elements found on Mars are there on Earth]]> 2017-07-31 03:08:52 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738475 ammna_khan https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738489 In  a compound atoms are hard to break because they are held together by chemical bonds.]]> 2017-07-31 03:09:06 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738489 dahyun_lee https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738490 Examples of homogenous mixtures are sugar-water and salt-water.]]> 2017-07-31 03:09:06 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738490 d_smith6 https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738612 In ancient times these were referred to fire, earth, water, and air]]> 2017-07-31 03:10:52 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738612 ammna_khan https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738670 a hytrogeneous is a colorless element]]> 2017-07-31 03:11:51 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738670 dahyun_lee https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738671 A solution is a homogenous mixture.]]> 2017-07-31 03:11:52 UTC https://padlet.com/i_rai/j8cjeqrdlqv5/wish/179738671