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Soloha48 [4]
3 years ago
13

How is the periodic table structured with regard to elements with similar properties ?

Chemistry
2 answers:
sleet_krkn [62]3 years ago
6 0
The families, or groups, have similar properties, for example, the first group 1 are made of extremely reactive metals. They will also have similar boiling, melting, and conductivity. With valence electrons all in the same orbital (alkaline metals all have valence electrons in the s orbital)<span />
aleksley [76]3 years ago
5 0

no no no no no no no no no no no no no no no no no no no mabye yes no no no no no no no no no on no no no no no no no no no no no no no no no no no


find the mistake

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2 years ago
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. Why a chlorine atom with an atomic number of 17 will be negatively charged when its valance shell gains an electron.
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Explanation:

When chlorine bonds and becomes stable, (had a full outer electron shell), because we know that chlorine has 7 electrons in it’s outer shell, it requires 1 to gain noble gas structure. So, when if bonds with an element and then becomes stable, the gaining of an electron means it becomes a negatively charged ion. (an ion being a charged particle.)

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3 years ago
Which of these statements best explains why chemistry is reliable?
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Answer:

It gives the same result when an experiment is repeated.

Explanation:

Below are the possible answers to the question:

<em>It is biased. </em>

<em>It cannot be verified. </em>

<em>It cannot add new evidence to existing evidence. </em>

<em>It gives the same result when an experiment is repeated.</em>

<em />

<em>The correct answer would be that </em><em>it gives the same result when an experiment is repeated.</em>

If a reaction is conducted in chemistry and certain results are obtained, once a detailed procedure of the experiment is known along with all the chemicals involved, such reaction/experiment can be repeated anywhere in the world and the same result would be obtained.

<u>The repeatability of experiments always makes the experiments to be reliable.</u> Hence, chemistry is reliable because it gives the same result without any variation when experiments are repeated under similar conditions.

7 0
3 years ago
Which property explains why water is able to travel against gravity, from the roots of a plant to the leaves at the top of the p
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Answer:

Surface tension is also a property that enables water to travel against gravity.

Explanation:

Surface tension is a property of a liquid that holds the surface together and allows it to resist an external force.

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How many hydrogen atoms are in the unbranched alkane with 15 carbon atoms?
PSYCHO15rus [73]

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3 years ago
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