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lana66690 [7]
3 years ago
13

What element is used as a shield to protect from radioactive substances?

Chemistry
1 answer:
Dmitrij [34]3 years ago
7 0
Answer: lead


Lead has been used for gamma radiation shielding since the discovery of radioactive material & x-ray.
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N each reaction box, place the best reagent or reactant from the list below. reagents may be used more than once or not at all.
Ne4ueva [31]

Answer:

See explaination

Explanation:

See attachment for the drawing of the intermediate products b and c (both are neutral; omit byproducts).

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What type of bonding is shown in the diagram
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Answer:

Covalent Bond

Explanation:

In the diagram Carbon and each of the 4 Hydrogens are sharing electrons. They are also both non metals. Both of these are characteristics of Covalent Bonds.

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 For each phenotype, write the possible genotypes.
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Which of the following describes the correct order for relative solubility of minerals in sedimentary rocks?
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Evaporate minerals are more soluble than calcite and quartz.

Explanation:

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example of chemicals present are:

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Quartz is silica (very less soluble, or insoluble)

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Thus

Evaporate minerals are more soluble than calcite and quartz.

8 0
3 years ago
What is concentration​
solmaris [256]

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Explanation:

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