Platinum
Container of the chemical element platinum
Palladium
Sulfur
貴金属
Ruthenium
Pair of earrings isolated on the white background
Lead
Water
Potassium dichromate
Aluminium powder
Phenolphthalein a single indicator
Thorianite
Rhodium
Silver earrings isolated on the white background
Beauty fashion concept with earrings
Copper (II) chloride solution
Bromine
Copper II sulfate
Native platinum
Tetrakis palladium molecule
指輪
ネックレス
ピアス
宝石
ゴールド
Container of the chemical element gold
Container of the chemical element silver
Martian meteorites
Iodine clock reaction
Pearl necklace in hand on white
Pearl necklace isolated on the white background
Nice necklase isolated on the white
Necklace isolated on the white
Nice necklace isolated on the white
Nice bracelet isolated on white
Fashion concept with necklace
Pearl necklace in fashion and beauty concept
Victorian gold ring set with a single opal
ダイヤの指輪
ペンダント
ブレスレット
ジュエリー
ブローチ
Crystals
Bauxite and aluminium
Pitchblende
Uraninite
Iron and sulphur
Malachite
Test tube of bromine water
Potassium permanganate titration
Starch content of leaves
Universal indicator
Formation of Lead (II) iodide
Reading a burette
Iron salts in solid and liquid forms
Types of resistor
Reading a burette of permanganate
Loudspeaker and microphone
Phenolphthalein at pH9.3
De-colourised bromine water
Bromine water test for alkenes
Ethanal and Brady's reagent
Methyl orange in acid
Methyl orange in alkali
Lithium chloride burns with a bright crimson flame
Sodium chloride burns with a bright yellow flame
Precipitates of transition metal salts
Transition element salts in solution
Ring
Copper-silver metal displacement reaction