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Olin [163]
3 years ago
15

Cobalt-62 is a radionuclide with a half life of 1.5 minutes. What fraction of

Chemistry
1 answer:
fredd [130]3 years ago
7 0

Answer:

1/16 is the answer.........

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Which of the following are cations? Check all that apply.
Lostsunrise [7]

Answer:

a

barium

b

calcium

e

aluminum

f

magnesium

g

copper

Forms cation

Explanation:

4 0
3 years ago
What problems could arise if scientists use different units to measure height
Shkiper50 [21]

Scientists can measure the height in different units but problem could arise when they compare all the measurements. That is the reason there is standard units for measurements.

<span>There may be error arises when an American scientist is measuring the height of an object in inches and other Australian scientist is measuring the height of same object in meters. Their data cannot be compared because they are using different units to measure height.</span>

5 0
3 years ago
Which type of rock forms as a result of cooling and crystallization?
Dovator [93]

Answer:

Igneous rock is the type of rock that forms as a result of cooling an crystallization

Explanation:

  • Rocks are either sedimentary, igneous or metamorphic based on the chemical composition and the mode of formation.
  • Igneous rocks are formed as a result of the cooling and crystallization of magma from volcanic eruptions.
  • Igneous rocks are either intrusive, which form deep in the crust or extrusive which form on the surface of the earth.
  • Sedimentary rocks are formed as a result of deposition, and cementation of sediments.
  • Metamorphic rocks, on the other hand, are formed from the sedimentary and igneous rocks during the rock cycle.

7 0
3 years ago
In which group of the Periodic Table do most of the elements exhibit both positive and negative oxidation states?
Shtirlitz [24]
C i think but you should pick it anyway
4 0
3 years ago
How many mols of H2SO4 is in 0.80 L of 1.40 M H2SO4?
Hitman42 [59]
I think it’s 6 yw. Sorry if I’m wrong
7 0
2 years ago
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