Vertical columns on the periodic table are called _______The elements in each column have_____
For #1 For #2
A.grouping A.Similar element names
B.families B.Similar properties
C.periods C.Similar symbols
D.lines D.Similar masses
Answers
Vertical columns on the periodic table are called B. families.
The elements in each column, or family, have B. Similar properties.
How elements are placed in the periodic table
In the periodic table, elements are organized into rows and columns based on their atomic number and electron configuration. Each vertical column represents a family or group of elements that share similar chemical and physical properties.
The elements within a family tend to have similar valence electron configurations, leading to similar chemical behaviors and reactivity patterns.
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Answer : The partial pressure of in the mixture is, 1.224 atm
Solution :
According to the Dalton's law, the total pressure of the gas is equal to the sum of the partial pressure of the mixture of gasses.
where,
= total partial pressure of
= 1.348 atm
= partial pressure of helium
= partial pressure of neon
= partial pressure of nitrogen
As we are given that,
Now put all the given values in above expression, we get the partial pressure of the nitrogen gas in the mixture.
Therefore, the partial pressure of in the mixture is, 66 Kpa
The Best Answer: 1 - (.47+.23) = 0.30
If Ne has a mole fraction of 0.47 (or 47/100) and Ar is 0.23, then H2(or He) has a mole fraction of 0.30
This means the gas mixture is 30/100 H2(or He).
7.85 x 0.30 = 2.355 atm