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Neporo4naja [7]
3 years ago
7

Lithium, sodium and potassium all belong to the same group of the periodic table.

Chemistry
2 answers:
Lady_Fox [76]3 years ago
4 0

Answer:

Yes they are found in same period

Neporo4naja [7]3 years ago
4 0

Answer:

alkali metals

Explanation:

Group 1A (or IA) of the periodic table are the alkali metals: hydrogen (H), lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr).

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A chemical formula with 2 or more symbols. is this an element or compound?
Cloud [144]

Answer:

compound

Explanation:

3 0
3 years ago
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a solution with a transmittance of 0.44 is analyzed in a spectrophotometer with 6% stray light. calculate the absorbance reporte
IgorLugansk [536]

The absorbance reported by the defective instrument was 0.3933.

Absorbance A = - log₁₀ T

Tm = transmittance measured by spectrophotometer

Tm = 0.44

Absorbance reported in this equipment = -log₁₀ (0.44) = 0.35654

True absorbance can be calculated by true transmittance, Tm = T+S(α-T)

S = fraction of stray light = 6%= 6/100 = 0.06

α= 1, ideal case

T = true transmittance of the sample

Tm = T+S(α-T)

now, T= Tm-S/ 1-S = 0.44-0.06/ 1-0.06 = 0.404233

therefore, actual reading measured is A = -log₁₀ T = -log₁₀ (0.404233)

i.e; 0.3933

To know more about transmittance click here:

brainly.com/question/17088180

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3 0
1 year ago
Some plants can reproduce both sexually and asexually. Explain one benefit of this dual reproduction capability.
pantera1 [17]

Answer:

An additional advantage of asexual reproduction is that colonization of new habitats may be easier when an individual does not need to find a mate to reproduce. During sexual reproduction the genetic material of two individuals is combined to produce genetically diverse offspring that differ from their parents.

Explanation:

An organism has many benefits for having the ability to reproduce both sexually and asexually. The first of these benefits is that it doesn't have to find a mate in order to reproduce, so it can create offspring by itself, and enable the continuation of its' species.

If you need more help on this subject, don't be afraid to ask me. I'm willing to help.

8 0
3 years ago
It is so hard i do not get it
kicyunya [14]
Because your doctor gave it to you for a reason. THey gave you medicine to help you and they told you to take those pills so you should listen.

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3 0
3 years ago
What is the most common isotope of iron
alexandr402 [8]

Answer:

iron-56

Explanation:

Iron-56 (56Fe) is the most common isotope of iron. About 91.754% of all iron is iron-56. Of all nuclides, iron-56 has the lowest mass per nucleon.

3 0
3 years ago
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