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Pure platinum is too soft

Pure platinum is too soft to be used in jewelry because it scratches easily. To increase the hardness so that it can be used in
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2. asked by Pauline
3. 4,273 views
A 0.509 g sample pure platinum metal was reacted with hcl to form 0.889 g of a compound containing only platinum and chlorine?
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2. asked by Sofia
3. 2,065 views
This is how platinum appears in the periodic table.A purple box has P t at the center and 78 above. Below it says platinum and
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2. 15 views
Pure gold is quite soft. To make it more useful for such items as rings and jewelry, jewelers mix it with other metals, such as
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2. asked by Kyleigh
3. 117 views
While researching a topic, a student has taken the following notes:Platinum is a rare and expensive metal. It is used as a
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Please help with 5 questions:1) what metals are the alternatives to platinum? 2) what are the advantages/disadvantages of these
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2. asked by LISA AND MICHELLE IN LA
3. 688 views
One gram of platinum has 3.09 × 1021 atoms, and each platinum atom has 78 electrons.How many electrons are contained in 4.00 g
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2. asked by Rachel
3. 722 views
Multiple ChoiceIf a musician sees mp in his part, which dynamic level should he play? (1 point) Responses very soft very soft
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2. asked by itachi
3. 188 views
Multiple ChoiceIf a musician sees mp in his part, which dynamic level should he play? (1 point) Responses very soft very soft
1. 3 answers
2. 29 views
Multiple Choice If a musician sees mp in his part, which dynamic level should he play? (1 point) Responses very soft very soft
1. 1 answer
2. asked by ////
3. 20 views