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natta225 [31]
3 years ago
13

hich metal will displace nickel in a compound? A. Arsenic B. Tin C. Zinc D. Platinum

Chemistry
1 answer:
Bess [88]3 years ago
7 0
Hello there,

The answer to your question is:

C. Zinc

Hope this answer helps you.
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QUICK QUESTION: On the Bohr model, how come potassium has 19 electrons in its valence shell if potassium has a K+? Isn’t it supp
Vlada [557]

Answer:  K only has 1 valence electron.  It will leave with only a little effort, leaving behind a positively charged K^+1 atom.

Explanation:  A neutral potassium atom has 19 total electrons.  But only 1 of them is in potassium's valence shell.  Valence shell means the outermost s and p orbitals.  Potasium's electron configuration is 1s^2 2s^2 2p^6 3s^2 3p^6 4s^1.  The 4s orbital is the only orbital in the 4th energy level.  So it has a valency of 1.  This means this electron will be the most likely to leave, since it is the lone electron in the oyutermost energy level (4).  When that electron leaves, the charge on the atom go up by 1.  The atom now has a full valence shell of 3s^2 3p^6, the same as argon, Ar.

4 0
2 years ago
A hot object will have ___ kinetic energy
Masja [62]

Answer:

More/ Alot? I think is what you are looking for?

Explanation:

It will definitely have some but I'm not sure on what word you are looking for.

6 0
3 years ago
A team of scientists is studying the fossils in the cross-section of rock shown below. Between which two layer of fossils can se
Gennadij [26K]

Question:

Layer 1 and 2 → Animal fossil

Layer 3 and 4 → First plant fossil

Layer 5 → Animal fossil

Layer  6→ Second plant fossil

Layer 7 → Animal fossil.

Answer:

The correct option to choose answer is;

C) Layers 3 and 4 (Secondary succession layer).

Explanation:

Secondary succession is a concept related to pliant life and it describes the notion of an ecosystem regenerates after being destroyed and it takes place when the level of disruption is not enough to do away with all present vegetation and present soil from a location.

Secondary succession is started by an incident that destroys to a large extent the present ecosystem. Events that start secondary succession includes;

1) Hurricane

2) Fire and

3) Harvesting.

6 0
3 years ago
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NO LINKS!!!
Alex Ar [27]
Hey there!

Static electricity is a missing charge. When positive ions are formed (where an electron is missing), this imbalance is called static electricity.

7 0
2 years ago
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Which gas is needed for photosynthesis?
Nikolay [14]

Answer: Carbon dioxide

Explanation:

7 0
2 years ago
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