Answer:
The oxidation number of strontium is +2.
Explanation:
Answer:
transforming
Explanation:
when you blow a mighty puff into a trumpet the kinetic motion of your lips is TRANSFORMED into waves of are compretion and decompretion of the air mediom
Answer:
B)
Explanation:
Dalton was the first scientist to propose an atomic model. He said that each element is composed of extremely small particles called atoms, which are indivisible, atoms of a given element are identical, and atoms of different elements have different properties.
With the advance of the studies, it was proven that elements are composed of small particles, atoms and that the atoms of each element are identical, and have different properties from atoms of different elements.
But, now we know that the atom can be divisible: it's formed by electrons, protons, and neutrons. So only postulate <em>ii</em> is no longer considered valid.
