D. 18 x 10^23 is the total number of atoms in 1.0 mole of CO2
Answer:
11
Explanation:
The atomic number for Na will always be the same regardless of the number of neutrons.
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Question: What is the formula of Potassium hydroxide? What is it common name? Is it Alkali?
Answer: The formula of Potassium hydroxide is KOH. It's common name is Caustic Potash. Yes, it is alkali because Potassium is the most reactive metal.
It is very strong base because it has potassium atom which is the most reactive element. It turns red litmus paper into blue which proves that it is basic in nature.
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A cookie made from flour, eggs, sugar, butter, and chocolate chips is an example of a heterogeneous mixture.
Also, mixing the sugar flavoring in water, since you're mixing two different states of matter.
Answer: 0.4
Explanation: The easiest way to do this is to get a denominator of 10. To do this, multiply each number in 2/5 by 2. You will get the fraction 4/10. With the denominator of 10, the answer would be 0.4 by putting the decimal in front of the number.
