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den301095 [7]
3 years ago
12

Is the study of matter and energy complete, or do you think there’s still new information to discover?

Chemistry
1 answer:
Vladimir [108]3 years ago
5 0

Answer:

Physical science, in turn, can be divided into chemistry and physics. Chemistry is the study of matter and energy at the scale of atoms and molecules. ... Physics is the study of matter and energy at all scales—from the tiniest particles of matter to the entire universe but i dont really know if there is new information to discover

Explanation:

hope it help and if it doesnt sorry ;)

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Metals react with ______ to form compounds that are alkaline.
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Metals react with ______ to form compounds that are alkaline.

A. metalloids

B. oxygen (O)

C. non-metals

D. hydrogen (H)

The answer is D, Hydrogen (H).

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A solution is prepared by dissolving 0.23 mol of benzoic acid and 0.27 mol of sodium benzoate in water sufficient to yield 1.00
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Answer:

The pH does not decrease drastically because the NaOH reacts with the <u>D) Benzoic acid</u> present in the buffer solution.

Explanation:

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3 years ago
The electron configurations of two unknown elements x and y are shown. X: 1s2 2s2 2p6 Y: 1s2 2s2 2p6 3s2 3p6 Which statement is
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Answer:

B) They will react because X and Y can share two pairs of electrons to become stable

Explanation:

The electron configurations of two elements x and y are given :

X: 1s2 2s2 2p6

Y: 1s2 2s2 2p6 3s2 3p6

The statement that is true for both the elements is that, they both will react as they both can share two pairs of electrons to become stable.

To become stable the outermost shell or p orbital should have 8 electrons, so element X  can gain 2 atoms to become stable.

Element Y can also react as it can also share two atoms to fulfill its 3p orbital and will stable.

Hence, the correct option is "B".

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it would be 1

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