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storchak [24]
3 years ago
13

In order to draw a conclusion, scientists must_______ data from an investigation

Chemistry
1 answer:
Alenkinab [10]3 years ago
6 0
The answer is record
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____________is not an effect of heat
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Answer:

c. contraction

Explanation:

Heating will cause substances to expand, or change their state (like solid to liquid) or it may be a chemical reaction.

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2 years ago
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Which statement is correct about the location of electrons in an atom according to the Quantum mechanical model? A) Electrons ar
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Answer:

B) Electrons are located in the cloud-like areas around the nucleus.

Explanation:

The quantum mechanical model of the atom does not consider the path through which an electron travels. It rather estimates the probability of where electrons can be found at each energy level.

The region of maximum probability of where an electron is located is sometimes called an electron cloud or orbital. Each orbital of an atom and the electrons accomodated are described completely by a set of four quantum numbers.

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3 years ago
In terms of valence electrons, explain why metals form positive ions.
diamong [38]

Answer:

Explanation:

Metal elements form positively charged ions called cations because they are located on the left side of the periodic table These elements all have valence electrons in an s orbital. These electrons are relatively easy for the atom to lose to achieve a stable octet of electrons in its outermost energy shell.

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Is glass biotic or abiotic
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Glass is not a living organism, so it is <u>abiotic</u>.
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In a chemical interaction 10 g of hydrogen chloride is added to 20 g of zinc to form 24 g of zinc chloride and a certain amount
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A. 6g

I hope this is right!

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