Question
A sample of an unknown metal has a mass of 428 grams and a volume of 20 cm3. What is the metal?
A. Chromium
B. Platinum
C. Lead
D. Silver
A. Chromium
B. Platinum
C. Lead
D. Silver
Answers
im right
All the answers for: Mass, Weight, and Density Quick Check on Connexus.
1 D. Bailee is incorrect. The mass of the objects stay the same but weight will change.
2 A. Yes, they would still be balanced because their masses would not change.
3 B. m=D×V
4 B. Platinum
5 C. Quartzite
1 D. Bailee is incorrect. The mass of the objects stay the same but weight will change.
2 A. Yes, they would still be balanced because their masses would not change.
3 B. m=D×V
4 B. Platinum
5 C. Quartzite
DrBob222
density of the metal is mass/volume = 428/20 = 21.4 g/cc so the metal is Pt or answer b.