chromium, calcium, potassium
potassium, calcium, chromium
potassium, chromium, calcium
Answer: The correct order is:
Potassium > calcium > chromium
Explanation:
Potassium belongs to the group of alkali metals with group number 1 in a periodic table. Potassium easily displaces hydrogen atom from the water molecule.
Where as calcium belongs to group (II) and easily displaces hydrogen atom from the water molecule.
In a reactivity series potassium is comes before the calcium metal which means that it is more reactive than calcium metal.
Potassium > calcium
Where as chromium metal is member of group 6 and chromium reacts with steam and acids to form hydroxides. But doesn't reacts with water(in liquid phase) which means it less reactive then potassium and calcium.
Potassium > calcium > chromium
potassium, calcium, chromium
the answer is b, oxygen! :)
Scientists believe it is the best explanation because it is built on data and observations.
The majority of the scientific community voted on this theory over other possible explanations.
It is the best explanation because it supports the beliefs and opinions of most scientists.
It is a scientific law that has been supported by experimental data.
Answer:
The correct answer will be option-It is the best explanation because it supports the beliefs and opinions of most scientists.
Explanation:
Albert Einstein is known for his theory of relativity which states that energy is a converted form of mass to the square of the speed of light which is constant.
Albert Einstein was a theoretical physicist who used the facts and data from the papers of the previous physicist. Although he used the facts his theory became one of the important theory in the physics world as it explained the path of the light and the form in which it travels.
This theory is well accepted today as it was supported by the experiments and observation of the other works of different scientist. This led to the acceptance of the theory worldwide.
Thus, the selected option is the correct answer.
Answer:
116
Explanation:
neutrons = mass number - proton number
66 = mass number - 50
add 50 on both sides
66 + 50 = 116
so the mass number is 116
Answer:
Sulfur Nitride