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Vika [28.1K]
3 years ago
7

Wich statement best describes the progress of science

Chemistry
2 answers:
mel-nik [20]3 years ago
7 0

Answer:

Scientific ideas are changed when better ones are found.

Explanation:

goblinko [34]3 years ago
3 0

Answer:

Where are the statements ..............................

Explanation:

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Isotope what dose it mean
Sergio039 [100]

Answer:

each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.

"some elements have only one stable isotope"

Explanation:

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3 years ago
Small objects denser than water can float on its surface because water has high _____.
seraphim [82]
Surface tension. Im not sure if this is completely right but I hope I helped :)
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3 years ago
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At room temperature, what is the only metal that is in liquid form?
Olenka [21]

Hello!

Mercury is the only metal that takes liquid form at room temperature.

The metal is also very toxic to humans, so "playing with it" is a bad idea

this metal used to be used in thermometers, but most of them today don't use mercury anymore

I hope this helps, and have a nice day!

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3 years ago
Covalent compound formula for hydrogen monochloride
Wittaler [7]

Answer:

HCl

Explanation:

1 hydrogen 1 chlorine

5 0
3 years ago
The electrical conductivities of the following 0.100 M solutions were measured in an apparatus that contained a light bulb as th
elena55 [62]

Answer: KI> Al(NO3)3> HF> CH3OH

Explanation:

Potassium iodide is a halide of group 1 which is very soluble in water and whose ions are very mobile in solution. It will readily dissociate and conduct electricity making the bulb brightest when KI is the electrolyte. Salts of group 13 are not as ionic as those of group 1 but dissociate appreciably and conduct electricity. HF is a halogen acid but self ionizes and shows some degree of conductivity. Methanol will have the lowest conductivity making the bulb dimmest when methanol is the electrolyte.

6 0
4 years ago
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