Answer:
Given its huge success in describing the natural world for the past 150 years, the theory of evolution is remarkably misunderstood. In a recent episode of the Australian series of “I’m a Celebrity Get Me Out of Here”, former cricket star Shane Warne questioned the theory – asking “if humans evolved from monkeys, why haven’t today’s monkeys evolved”?
Similarly, a head teacher from a primary school in the UK recently stated that evolution is a theory rather than a fact. This is despite the fact that children in the UK start learning about evolution in Year 6 (ten to 11-year-olds), and have further lessons throughout high school. While the theory of evolution is well accepted in the UK compared with the rest of the world, a survey in 2005 indicated that more than 20% of the country’s population was not sure about it, or did not accept it.
Explanation:
To find this answer you take the mass of the carbon in the compound and divide it by the mass of the entire compound, the one closest to 40% is the correct answer.
I will do hexose for you and you can do the rest of them
mass hexose = 6*12 + 12*1 + 6*16 = 72 + 12 + 96 = 180
mass C in hexose = 6 * 12 = 72
% C in hexose = 72/180 * 100% = 40% (This may be your answer unless you have multiple answers for this one)
Sodium and potassium are most likely to have similar physical and also chemical properties. They are in the same family called Alkali metals. Both will have the same valence electrons and are both very reactive.
Synthesis. Iodine monobromide is formed when iodine and bromine are combined in a chemical reaction: I2 + Br2 → 2 IBr.
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This is a true statement.
Here are some examples of ionic compounds:
Sodium chloride
Potassium fluoride
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