How many electrons go on the 1 electron level

Answers

Answer 1

Answer: Each principal energy level can contain up to 2n2 electrons, where n is the number of the level. Thus, the first level can contain up to 2 electrons, 2(12) = 2; the second up to 8 electrons, 2(22) = 8; the third up to 18, 2(32) = 18; and so on.

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To create a simulation of photosynthesis in a forest of 50,000 maple trees, a scientist needs to determine the average number of leaves on an actual maple tree. Which of the following is the best course of action for establishing this parameter?A. Determine the average number of leaves for 10 randomly selected maple trees.
B. Choose a value at random to represent the average number of leaves on a tree.
C. Count the number of leaves on a single tree and assume all trees are the same.
D. Divide the total number of leaves on all the trees in a forest by 50,000.

Answers

To create a simulation of photosynthesis in a forest of 50.000 maple trees, a scientist needs to determine the average number of leaves on an actual maple tree. The answer that is the best course of action for establishing this parameter is A) determine the average number of leaves for 10 randomly selected maple trees.

Answer:

Explanation:

The simplest animals that are bilaterally symmetrical and triploblastic (composed of three fundamental layers) are the Platyhelminthes, which are the flatworms. true or false?

Answers

This statement is false. The simplest animals that are bilaterally symmetrical and triploblastic (composed of three fundamental layers) are the Platyhelminthes, however, it is not the flatworms, instead, it is the roundworms who are the simplest animals that are bilaterally symmetrical and triploblastic.

The hypothesis of continental drift is used to explain an event that happeneda. two million years ago.

b. two hundred million years ago.

c. two billion years ago.

d. two hundred billion years ago.

Answers

The hypothesis of continental drift is used to explain an event that happened

a. two million years ago.

b. two hundred million years ago.

c. two billion years ago.

d. two hundred billion years ago.

The answer is (b) Two hundred million years ago

Answer: b. two hundred million years ago.

Continental drift is a scientific theory was developed by Alfred Wegener (1880-1930). He was a German meteorologist, who proposed the hypothesis that continents were the part of huge landmass or supercontinent about 200 million years ago. These continents got separated or splitted from their parent continent and drifted to other locations. He named the parent or supercontinent as "Pangaea" (which means "all lands" in Greek) which began to break up.

Choose the correct answer. -lactose is Glcα1-4Glc -maltose is Glcα1-4Glc -sucrose is Glcα1-2Glc -cellobiose is Galβ1-4Glc

Answers

The answer is lactose is Glcα1-4Glc.

Lactose is a disaccharide sugar derived from galactose (Glca) and glucose (Glc) which form a β-1-4 glycosidic linkage (Glca1-4Glc).

Which is not an example of matter and energy cycling through living things? A. Trees growing B. Plants absorbing carbon dioxide? C. Salmon eating shrimp. D. A drop of water falling through the sky?

Answers

The answer is D. In this case, there is no cycling of energy or matter. In the choice A, water and nutrients are absorbed from the soil to make up the tree. In choice B, the carbon dioxide from the atmosphere is used to make carbohydrate in the tree. In choice C, part of the biomass of the shrimp is converted into biomass and energy of the salmon.

D. A drop of water falling through the sky

Nuts are a good source of vitamin E.
a. True
b. False

Answers

Nuts indeed are a good source of vitamin E. This is true. However, when talking about nuts we have to consider that not all nuts have the same nutritional information nor do all of them have plenty of vitamin E. While we can say this for most, it is necessary to be wary of making such statements.

true is the correct answer.

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