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Bezzdna [24]
3 years ago
14

What could I use for 3 examples of chemical exchanges (preferably ones I could do with easily obtained chemicals)?

Chemistry
1 answer:
zheka24 [161]3 years ago
8 0

Answer: (I added a few extra just for fun)

1. Rusting of iron

2. Digestion of food

3. Reaction between salts and acids

4. Boiling an egg

5. Electroplating a metal

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What radionuclides is used in diagnosis of atherosclerosis
aliina [53]
Answer: technetium-99.

Explanation:

This is not an answer that you can look for in a book.

You need to do some research.

You can fiind the abstract of the article titled <span>Molecular imaging of atherosclerosis using a technetium-99m-labeled endothelin derivative.</span>

The conclusion of this scientific article is that labeling with the radiosotope Tc - 99 iis feasibele to visualize the effects of an experiment inducing atherosclerosis, which gives the answer to the question posted.
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8 0
4 years ago
Where are most of the metals found on the periodic table
sergeinik [125]

Answer:

Left

Explanation:

Metals are located on the left of the periodic table, and nonmetals are located on the upper right. They are separated by a diagonal band of semimetals.

3 0
3 years ago
Which of the following is true about indicators?
Darina [25.2K]

A indicator is a weak organic acid or a base which has shows different colors in acidic and basic mediums. The color change occurs when the weak acidic or basic indicator dissociates to give its respective conjugate base or conjugate acid.

Therefore the correct option would be Indicators are weak acids or bases.

7 0
4 years ago
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What are some of the ethical issues of editing human DNA? Cite examples from the text to defend your answer.
dsp73

Answer:

one would be if the human had no say in it

7 0
3 years ago
What does the arrangement of the periodic table tell scientists
BlackZzzverrR [31]

Answer:

The arrangement of the periodic table leads us to visualize certain trends among the atoms.

Elements are arranged from left to right and top to bottom in order of increasing atomic number.

The vertical columns (groups) of the periodic table are arranged so that all its elements have the same number of valence electrons (outer ring). All elements within a certain group share similar properties.

The rows are called periods. All elements in a row have the same number of electron shells.

8 0
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