Answer:
True
Explanation:
Electronegativity difference of less than 0.4 characterized covalent bonds. For two atoms with an electronegativity difference of between 0.4 and 2.0, a polar covalent bond is formed-one that is neither ionic nor totally covalent.
Care este problema? Btw why are you speaking Romanian
Wavelength and frequency have a reciprocal relationship. If one doubles, the other halves.
Maunder minimum is related to climate due to the unusually low sunspot activity correlates to
unusually cold climatic events. The answer is letter A. It happened
around 1645 and 1715 and also coincided with the phenomena ‘Little Ice Age’
(1500 – 1850) in the Northern Hemisphere.