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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
4 answers
asked by
Pauline
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?
1 answer
asked by
Sofia
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
1 answer
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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
1 answer
asked by
Kyleigh
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
1 answer
46 views
Please help with 5 questions:
1) what metals are the alternatives to platinum? 2) what are the advantages/disadvantages of these
1 answer
asked by
LISA AND MICHELLE IN LA
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
1 answer
asked by
Rachel
722 views
Multiple Choice
If a musician sees mp in his part, which dynamic level should he play? (1 point) Responses very soft very soft
5 answers
asked by
itachi
188 views
Multiple Choice
If a musician sees mp in his part, which dynamic level should he play? (1 point) Responses very soft very soft
3 answers
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 answer
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20 views