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Mrrafil [7]
3 years ago
11

A student fires a bow and arrow in gym class and all his arrows land close to each other, but not on the bullseye. This student

could be said to be
Chemistry
1 answer:
dimulka [17.4K]3 years ago
4 0
A student fires a bow and arrow in gym class and all his arrows land close to eachother but not on the bullseye. this student could be said to be:

precise but not accurate

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Which of the following statements holds true for a chemical change?
ad-work [718]

Answer : The correct option is C.

Explanation :

Chemical change : It is defined as a change in which a new compounds are formed by the chemical reaction. Changes occurs in their chemical composition and properties.

The molecular structure of a substance changes in a chemical reaction is a chemical change.

  • Change in molecular structure means that there is a breaking and formation of bonds in a molecule.

The example of chemical change in terms of change in molecular structure is the reaction of hydrogen with oxygen.

The reaction of hydrogen with oxygen is,

H_2(g)+O_2(g)\rightarrow 2H_2O(l)

In this reaction, the H-H bond is break and O-H bond is form.


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3 years ago
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Gamma rays contain much more energy (most penetrating) than radio waves because they have a greater frequencies.
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8 0
3 years ago
Write uses of Co-60 .​
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Answer:

Cobalt Sources

Cobalt-60 is used as a radiation source in many common industrial applications, such as in leveling devices and thickness gauges. It is also used for radiation therapy in hospitals. Accidental exposures may occur as the result of loss or improper disposal of medical and industrial radiation sources.

Explanation:

4 0
2 years ago
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Which pair of elements is MOST likely to chemically combine and form ionic bonds?
dsp73
The right answer for the question that is being asked and shown above is that: "C. carbon and hydrogen." The pair of elements is MOST likely to chemically combine and form ionic bonds are <span>carbon and hydrogen </span>
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When that happens, you get a plasma — the fourth state of matter.
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