2 years ago

Is a charge indicated on neutral atoms

Chemistry

1 answer:

ella [17]2 years ago

4 0

No because neutral atoms do not have charges.

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the ratio of dahlias to tulips in a flower arrangement is 2 to 5 which of these could be the number of dahlias and tulips in the

Elena L [17]

12 Dahlias, 30 Tulips

12:30
12/2=6
30/6=5
12/6=2
=2:5

5 0

3 years ago

What does the 4 indicate in 1s22s22p4? 4th subshell 4 electrons 4th energy level

kupik [55]

Answer: The number 4 indicates 4 electrons.

Explanation: We are given an electronic configuration, which is:

$1s^22s^22p^4$

Here,

The letters denote the sub-shells of an element.

The numbers written before the letters which are 1, 2 and 2 represents the Principle Quantum Number and these represents the energy level of the sub-shells.

The number which are written in the superscripts which are 2, 2 and 4 denotes the electrons which are present in the sub-shell.

Hence, 4 indicates 4 electrons present in 2p sub-shell.

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2 years ago

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Calculate the ionic strength of a solution of iron (iii) carbonate, fe2(co3)3 of concentration 0.020 mol dm

Ede4ka [16]

E=b(x^3)×co3x{fe2}+13^3

6 0

3 years ago

In a titration of 0.35 M HCl and 0.35 M NaOH, how much NaOH should be added to 45.0 ml of HCl to completely neutralize the acid?

Bezzdna [24]

It would be the same amount. So, 45 ml of NaOH is required to be added to the 45 ml of HCI to neutralize the acid fully. Here is a brief calculation:

Firstly, here is your formula: M(HCI) x V(HCI) = M(NaOh) x V(NaOH)
With the values put in: 0.35 x 45 = 0.35 x V(NaOH)
= 45 ml.
There is 45 ml of V(NaOH)

Let me know if you need anything else. :)

- Dotz

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2 years ago

Which tool or tools would you use to measure and compare the mass of a cup of fresh water and a cup of salt water

Artemon [7]

You could use a scale to measure the mass as well as a cup to hold the water. If you were comparing the two, you should also probably use a graduated cylinder to get the same amount of each type of water.

Hope this helped ^_^

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2 years ago