Answer:
A. a positive and negative ion
Explanation:
two positive ions will not form a bond since opposite charges repel
any two atoms is too broad, meaning it can form any bond not specifically an ionic bond
two carbon atoms will form a covalent bond since they are nonmetals and will share electrons
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Answer:
O. Wave A has a higher frequency because it has a shorter wavelength.
Explanation:
Wavelength refers to the distance between two crests while frequency refers to the number of waves passes through a specific point per second. Frequency and wavelength are inversely proportional to each other. Inversely proportional means if one increases, the other decreases and vice versa. If the frequency of the wave is higher so its wavelength becomes shorter and if the frequency of the wave is shorter so its wavelength is higher.
During episode 7 of "Cosmos: A spacetime odyssey", Clare Patterson thanks the scientist who have come before him, among these, he mentions Charles Lyell and Michael Faraday.
Cosmos was a popular television science documentary series. Episode 7 titled "The Clean Room", explored the work of Clare Patterson and during said episode, as he awaits the sample from the spectrometer, Patterson proceeds to give thanks for the advancement of science by those who have come before him.
Patterson states that he wishes to give thanks to scientists who have come before him and proceeds to mention names such as:
- J. J. Thomson.
- Ernest Rutherford
- Harrison Brown
- Charles Lyell
- Michael Faraday
all of which were renowned scientists with great contributions to the knowledge we possess today. He ends the thank you by stating that they now know the age of the Earth and with a symbolic "We did it."
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