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3 years ago

Why do elements within a group have similar chemical properties?

Biology

1 answer:

SCORPION-xisa [38]3 years ago

5 0

Answer:

Elements in the same group have similar properties because they have the same number of valence electrons.

Explanation:

What are valence electrons?

Valence electrons are the electrons on the outermost shell. For example take the element carbon or it’s symbol C. It’s has 4 valence electrons.

How do you find valence electrons?

Several ways, but one way is to draw Lewis structures, also known as Lewis dot diagrams.

Hope this covered the basics of your question :) Though there are more thorough answers for this question.

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What scientist is credited with proving that genes are located on chromosomes?

Natasha_Volkova [10]

There are many answers to this but I can narrow it down to two.
Wilhelm Roux was the one who officially speculated that the chromosomes was the carriers of inheritance.
BUT proving it is another story
Thomas Hunt Morgan showed that genes reside in specific chromosomes. He was able to map the fruit fly's chromosomal map.

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3 years ago

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3 years ago

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6. If substance A has smaller but more molecules and Substance B has larger but less molecules.

Gekata [30.6K]

Answer:

substance a is the solvent and substance b is the solute

Explanation:

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3 years ago

Give an example of a phenotype for your favorite animal: ___________.

Mazyrski [523]

Answer:

Dogs

Explanation:

Hope this will help

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3 years ago

Living systems are organized in levels according to their structures and functions. _____-> tissues-> organs -> organ s

Mama L [17]

Answer:

The answer to your question is the letter A. Cells

Explanation:

A. Cells this choice is the correct answer because a tissue is many cells interconnected that perform a similar function.

B. Water this choice is incorrect because do not form part of this level of organization of living things.

C. Bacteria is a living thing, a prokaryotic cell, many bacteria do not form tissues, so this choice is incorrect.

D. Protons are a level of organization that comes before cells and molecules, not before tissues, so this choice is incorrect.

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4 years ago