Which is metal in modern periodic table
1 answer:
Answer:
The question was to be what is metal in modern periodic table?. Thank for understanding.
Now we come to business:
Metal in modern periodic table:is all the elements to the left of the line.
Explanation:
- if you look at the modern periodic table diagram you will see a stair-stepped line starting at Boron(B),atomic number 5,and going all the way down to Polonium(Po), atomic number 84.Except for Germanium(Ge)and Antimony(Sb),all the elements to the left of the line can be classified as metals.
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Answer:
The 12L helium tank pressurized to 160 atm will fill <em>636 </em>3-liter balloons
Explanation:
It is possible to answer this question using Boyle's law:
Where P₁ is the pressure of the tank (160atm), V₁ is the volume of the tank (12L), P₂ is the pressure of the balloons (1atm, atmospheric pressure) And V₂ is the volume this gas will occupy at 1 atm, thus:
160atm×12L = 1atm×V₂
V₂ = 1920L
As the tank will never be empty, the volume of the gas able to fill balloons is the total volume minus 12L, thus the volume of helium able to fill balloons is:
1920L - 12L = 1908L
1908L will fill:
1908L× = <em>636 balloons</em>
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I hope it helps!