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kondor19780726 [428]
3 years ago
7

What is the significance of the symbol of an element?

Chemistry
2 answers:
stira [4]3 years ago
7 0
It tells what element it is and also the protons.
Fynjy0 [20]3 years ago
6 0
A cube represents solid. A droplet represents a liquid. A balloon represents gas. A CD type figure represents synthetic.

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Of the options below, which is generally associated with the lowest boiling temperatures when it is the only type of bond presen
Olin [163]

Answer:

Explanation:

Of all the given forces , london dispersion force is the weakest inter-molecular force which is temporary in nature . This force results due to two adjecent atoms  or molecules becoming dipoles temporarily. This force exists among the atoms of inert gases.

Atoms having this force have lowest boiling point.

5 0
3 years ago
Julie's science teacher asked her to use quantitative observation to distinguish between 3 metal cylinders to identify aluminum,
SVETLANKA909090 [29]
Since the teacher has said to use quantitative observation, density is the easiest measurement to make. Aluminum has a density of 2.7 g/mL. Brass has a density of 8.73 g/mL. Copper has a density of 8.96 g/mL. As long as the mass and volume measurements are accurate (water displacement can be used for volume measurements), the resulting density values can be distinguished.

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8 0
3 years ago
Are all atoms of the same element identical? Back up your answer with evidence and examples. pls help
Schach [20]
Yes since for atoms to be of the same element , they must have the same number of protons inside their nucleus . This means that 1- they will all have the same nucleon number ( mass number ) and that 2-they will all have the same number of electrons in their outermost shell which determines the chemical properties of the atom.
5 0
3 years ago
A precipitate is a gas formed from the chemical reaction of two solutions. true or false
valentina_108 [34]
I would say false because a precipitate is a solid.
6 0
3 years ago
Answer questions above
ch4aika [34]

Answer:

0.5 or .5

Explanation:

The answer to number 3 is 0.5 and here's why:

you have to divide the voltage by the resistance right so you would divide 1.5 by 3 to get 0.5

4 0
3 years ago
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