Criado por helensellers75
mais de 10 anos atrás
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Questão | Responda |
Lithium with water | -bubbles of gas -hissing sounds -gets smaller and smaller -moves around surface of the water |
Sodium | - moves around surface of the water - hissing - bubbles of gas - gets smaller and smaller - melts into a shiny ball |
Potassium with water | - moves around surface of the water - hissing sound - bubbles of gas - melts into a shiny ball - burns with a lilac flame - gets smaller and smaller |
Chlorine at room temp | Pale green gas |
Bromine at room temp | Red brown liquid |
Iodine | Black solid and purple gas |
Chlorine with iron | Hot iron wool glows brightly when chlorine pass' over it. Brown smoke forms and a brown solid is left behind. |
Bromine with iron | Hot iron wool glows less brightly than chlorine. Brown smoke and brown solid formed. |
Iodine | Hot iron wool glows least brightly brown smoke and brown solid. |
Chlorine with hydrogen | A mixture of hydrogen and chlorine explodes when exposed to UV radiation |
Bromine reacts with hydrogen | A mixture of bromine vapour and hydrogen reacts when heated |
Iodine reacting with hydrogen | A mixture of hydrogen and iodine vapour will react when heated but does not reach completion |
Mg and oxygen | Burns with a bright white light and produces a white powder |
C and oxygen | Burns with a yellow-orange and a colourless gas is produced |
Sulfur and oxygen | Burns with a blue flame to form a colourless gas |
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