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pshichka [43]
3 years ago
6

Someone please help me with question 4 ! EXTRA POINTS

Chemistry
2 answers:
Aleks04 [339]3 years ago
6 0
1. B
2. C
3. A
That should do it
Elden [556K]3 years ago
6 0

Cell Wall- B

Vacuole- C

Chloroplast- A

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Why are relative atomic masses on the periodic tables not whole numbers?
Kobotan [32]

Answer:

They are averages.

Explanation:

atomic numbers on periodic tables are derived from the average value of all the isotopes of the element. So being averages they are sometimes not integers.

6 0
3 years ago
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Which of the following would be a clue that a rock is sedimentary?​
Masteriza [31]
I do not see any possible answers that you have posted. But a good idea would be that it might have fossils, water currents, mud cracks, usually form in shallow seas. Hope this helps!
8 0
3 years ago
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Why is it correct to say seawater is a mixture.
ZanzabumX [31]
It's a mixture of H2O + a soluble substance like, salt.
7 0
3 years ago
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Help me please ❤❤❤
musickatia [10]

Answ burh i dont even know

Explanation: i dont even know this

7 0
3 years ago
if the spin of one electron in an orbital is clockwise , what is the spin of the other electron in that orbital
nata0808 [166]

Here we have to get the spin of the other electron present in a orbital which already have an electron which has clockwise spin.

The electron will have anti-clockwise notation.

We know from the Pauli exclusion principle, no two electrons in an atom can have all the four quantum numbers i.e. principal quantum number (n), azimuthal quantum number (l), magnetic quantum number (m) and spin quantum number (s) same. The importance of the principle also restrict the possible number of electrons may be present in a particular orbital.

Let assume for an 1s orbital the possible values of four quantum numbers are n = 1, l = 0, m = 0 and s = \frac{+}{-}\frac{1}{2}.

The exclusion principle at once tells us that there may be only two unique sets of these quantum numbers:

1, 0, 0, +\frac{1}{2} and 1, 0, 0, -\frac{1}{2}.

Thus if one electron in an orbital has clockwise spin the other electron will must be have anti-clockwise spin.    

6 0
3 years ago
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