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kodGreya [7K]
4 years ago
13

How many electrons are in an atom of elemental sodium?

Chemistry
1 answer:
Brut [27]4 years ago
5 0
Elemental sodium atom contains 11 electrons. Hope this helps you!
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When two or more substances are physically combined the result is a:.
sp2606 [1]

Answer:

I think it is called a Mixture

Explanation:

Sorry if it is wrong

5 0
3 years ago
A student analyzed an antacid tablet from a bottle containing 120 tablets purchased for $2.79. The mass of the tablet was 1.247
BaLLatris [955]

The cost of one antacid is 2.325 cents per tablet.

<u>Explanation:</u>

As per the question based on the student analysis we know that,

Total antacid tablets in a bottle = 120

Purchase Price of a bottle = $ 2.79

Cost of 1 antacid tablet =\frac{2.79}{120}  

As we know $1 = 100 cent

The cost of 1 antacid tablet = \frac{2.79}{120} × 100 cents = 2.325 cents/tablet .

Thus we came to know that it costs 2.325 cents/tablet .

5 0
4 years ago
Il See Periodic Table See Hint
zavuch27 [327]

The molecular formula shows the number of atoms present. The molecular formula of the gas is most likely ClO2.

In terms of gas density and molar mass, the ideal gas equation can be written in the form; PM = dRT

Where;

P = pressure of the gas

M = molar mass of the gas

d = density of the gas

R = molar gas constant

T = temperature of the gas

Making the molar mass of the gas the subject of the formula;

M = dRT/P

d = 2.875 g/L

R = 0.082 atmLmol-1K-1

T =  11°C + 273 = 284 K

P = 750.0 mm Hg or 0.99 atm

Substituting values;

M =  2.875 g/L ×  0.082 atmLmol-1K-1 × 284 K/ 0.99 atm

M = 67.6 g/mol

The gas is most likely ClO2.

Learn more: brainly.com/question/11969651

6 0
2 years ago
To which factor can the principles of Nicholas Steno be applied?
Tcecarenko [31]

Answer:

the rock layers of the Grand Canyon

Explanation:

Steno's law are laws that applied to sedimentary rocks. These laws helps in understanding sedimentary sequences.

Sedimentary rocks are derived from the deposition of pre-existing rocks in basins. In order to understand some important relationships between these rock layers, Steno's  law offer a good insight.

Steno's law are often applied when we want to do relative dating of rock layers. Some of the laws are:

  • Law of superposition of strata
  • Law of original horizontality
  • Law of lateral continuity
  • Law of inclusion
  • Law of fossil and fauna succession

These laws helps to interpret sedimentary rock sequences better.

7 0
4 years ago
Read 2 more answers
What happens to the cool and hot zones of a nonluminous flame when the air control valve is closed?
lesya [120]

When the cool and hot zones of a non luminous flame’s air control valve is closed, the gas in which will be in placed as first and as it encounters air as it was in the mouth of the burner, there will be a presence of incomplete mixing, causing a combustion which would be incomplete and will also lead to a process that can’t be controlled, resulting to flame that is cool.

7 0
4 years ago
Read 2 more answers
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