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julsineya [31]
2 years ago
9

17.The column that an element is located in tells us

Chemistry
1 answer:
krok68 [10]2 years ago
4 0

Answer:

A. the total number of valence electrons an atom has.

Explanation:

The columns on the periodic table are called groups or families because of their similar chemical behavior. All the members of a family of elements have the same number of valence electrons and similar chemical properties.

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PLEASE HELP OR EXPLAIN!!
Naddik [55]
The third one beacuse if you count all the atoms of every one you will find that one the left side, you have 3 h and on the right you have 2 h
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Which characteristic is not common to outer planets? Question 3 options: They support rung systems They have no solid surface Th
Dominik [7]

Answer:

They have no solid surface.

Explanation:

Many outer planets are actually known as gas giants and don't contain much of a solid surface. hope this helped!

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Which branch science consist of?<br>​
Rzqust [24]

Answer:

Modern science is typically divided into three major branches that consist of the natural sciences (biology, chemistry, physics, astronomy and Earth science), which study nature in the broadest sense; the social sciences (e.g. psychology, sociology, economics, history) which study people and societies; and the formal ...

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Calculate the ratio of naf to hf required to create a buffer with ph = 4.05.
NARA [144]
PH is the test of acidity or basicity of a solution. it follows the formula: 
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By literature, Ka of HF is 3.5*10^-4 
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log [NaF / [HF]<span> = 0.59
</span>
[NaF / [HF] = 3.89
4 0
3 years ago
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Annette [7]
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