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Murljashka [212]
3 years ago
15

Which is a chemical property of oxygen?

Chemistry
2 answers:
amid [387]3 years ago
6 0

Answer:

number 3

Explanation:

idk. lolllllllpppplllllll

Troyanec [42]3 years ago
5 0

Answer: I think the answer is 1

i just learned this about two weeks ago

Explanation:

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do you think that the continental plates continue to move across the surface of the earth? what evidence do you have to support
cestrela7 [59]
Yes I think & I Belive it moves across the surface
5 0
3 years ago
Which atom in the ground state has a partially filled second electron shell?
serious [3.7K]
Atoms have electrons filled in energy shells.
1. H - hydrogen atom has one electron in the First energy shell. Therefore hydrogen has a partially filled first energy shell

2.Li - Li electron configuration is 2,1
The outermost energy shell is the second energy shell in which there is only one electron
Therefore the second energy shell is partially filled. This is the correct answer

3. K - electron configuration is 2,8,8,1
The outermost energy shell is the fourth energy shell which is partially filled. The second energy shell is completely filled

4.Na - electron configuration is 2,8,1
The outermost energy shell is the third energy shell which is partially filled
Second energy shell is completely filled

From the given options Li is the only element with a partially filled second energy shell
Answer is Li
4 0
3 years ago
Read 2 more answers
The oceanic crust is destroyed at convergent boundaries because it_______________________ *
ladessa [460]

Answer: I believe the answer is d)  the rock crumbles at an ocean ridges

Explanation:

7 0
3 years ago
Is krypton a anion or cation?
Zarrin [17]

Answer:

krypton is a cation

magnesium is also a cation

aluminium is a anion

and , silicon is cation

7 0
2 years ago
Read 2 more answers
A salt bridge: Question 3 options: provide a pathway through which the electrons travel from the cathode to the anode. provide a
Vesnalui [34]

Answer:

The correct option is: provide a source of counterions to prevent the build-up of charge at both the cathode to the anode.

Explanation:

A salt bridge is a U-shaped glass tube that is used in a voltaic cell or galvanic cell to connect the oxidation and reduction half-cells and complete the electric circuit.

<em>It allows the ions to pass through it, thus preventing the accumulation of charge on the anode and cathode as the chemical reaction proceeds.</em>

<u />

Therefore, the correct option is: <u>provide a source of counterions to prevent the build-up of charge at both the cathode to the anode.</u>

5 0
3 years ago
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