The easiest way to approximate ph level is through the ph paper measurement system because using pH paper would be best for doing a quick measurement in the field. It does not essentially need to be calibrated or standardized and the papers make available an instant estimate.
What they have in common is that they both have the same number of atoms. Hope this helps. :)
Answer:
Rubidium belong to Alkaline group 1, and
Strontium belong to Alkaline group 2.
Explanation:
We know that elements are organized on the periodic table based on their properties. The statement correctly predicting and explaining the chemical reactivity of two metals is given below -Rubidium (Rb) is more reactive than strontium (Sr) because strontium atoms must lose more electrons.
Microscopes help you see cells on the molecular level, That’s how it helped cell theory
Answer:The perimeter of the rectangle is or 15.66 inch.
Explanation:
Length of strip (I) =
Length of strip (II) =
According to question two strips of length and two strips of lenght is used in making rectangle:
Perimeter of rectangle = Sum of all sides of rectangle
Perimeter of rectangle =
The perimeter of the rectangle is or 15.66 inch.