Metals, halogen and noble gases properties

Frage	Antworten
Lithium with water	Fizzes slowly w/ a few bubbles Disappears slowly Moves slowly on surface Remains solid No flames
Sodium with water	Fizzes quickly w/ many bubbles Disappears quickly Moves quickly on the surface Melts into a liquid ball No flames
Potassium with water	Fizzes violently w/ many many bubbles Disappears very quickly Moves very quickly on the surface Melts into a liquid ball Violent flame
How hard is lithium, sodium and potassium?	Lithium: fairly soft Sodium: soft Potassium: very soft
Colour change when chlorine is added to potassium bromide and potassium iodide?	Potassium bromide: turns orange Potassium iodide: turns brown
Colour change when bromine is added to potassium iodide?	Turns brown
Colour of the halogens chlorine, bromine and iodine	Chlorine: green Bromine: reddish-brown Iodine: greyish-black
Which noble gases are lighter than air?	Helium and Neon
Which noble gases are heavier than air?	Argon, krypton, xenon and radon
Properties of all transition metals	Conduct heat and electricity, Malleable and ductile Shiny and sonorous

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	Erstellt von lisawinkler10 vor mehr als 9 Jahre