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A crystal of zircon separated
A crystal of zircon separated from an igneous rock, was analyzed, and found to contain 7930 atoms of 207Pb, and 12070 atoms of
1 answer
asked by
Tamara
665 views
In the laboratory small zircon crystals were separated from granite (K).
Isotopic analysis of these zircon crystals gives a
2 answers
asked by
tanya
539 views
Which allowed scientists to determine that Earth was at least 4.3 billion years old?(1 point)
Responses magnetic field
23 answers
asked by
Connexus Kid
165 views
Which allowed scientists to determine that Earth was at least 4.3 billion years old?(1 point) Responses chemical reactivity of
1 answer
asked by
p
14 views
Which allowed scientists to determine that Earth was at least 4.3 billion years old?(1 point)
Responses chemical reactivity of
1 answer
19 views
Which allowed scientists to determine that Earth was at least 4.3 billion years old?(1 point)
Responses magnetic field
1 answer
94 views
Which allowed scientists to determine that Earth was at least 4.3 billion years old?(1 point)
Responses chemical reactivity of
1 answer
13 views
Zircon is sometimes used to make fake diamonds. What is its index of refraction if the speed of light in zircon is
1.6 x 10^8
2 answers
asked by
abster
472 views
What type of solid would you expect diamond (C) to be?
Question 10 options: Ionic crystal Metallic crystal Molecular crystal
1 answer
160 views
The mass of an apple on planet Zircon is 6.6 kg and the weight is 5.4 N. What is the acceleration due to gravity on planet
2 answers
asked by
Rya
476 views