Chemistry, 02.01.2020 16:31 kikimiller

The measure of the amount of dissolved salts in a given amount of liquid is called
a. desalinization.
c. salinity.
b. the water cycle.
d. evaporation.

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The answer is Salinity. Salinity is defined as the measurement of salts dissolved in a liquid. By "salt", it isn't limited to the common table salt which is sodium chloride (NaCl). Salt also pertains to magnesium sulfate (MgSO4), potassium nitrate (KNO3), and sodium bicarbonate (NaHCO3). Salinity is often used to measure the amount of salt in bodies of water to determine its properties such as density and heat capacity.

Answer from: fatherbamboo

salinity

If you go to K12 this should be your answer.

Answer from: Quest

what is the general relationship between a galaxy's distance from earth and its speed?

the answer is:

the farther away a galaxy is from us, the faster it is moving away from us.

Answer from: Quest

assuming that your periodic table has eighteen columns, you should highlight the four elements in the third column from the left of the table.

explanation

neutral atoms of elements after calcium contain d electrons. the energy of d orbitals of a particular main shell lies between the energy of the s and p orbitals of the next main shell. for example, electrons in the $3d$ have energy higher than those in the $4 s$ orbital while lower than those of the $4 p$ orbital.

by the aufbau principle, electrons fill orbitals one at a time, starting from those of the lowest energy. the $4s$ orbital is therefore filled right after $3p$ orbitals and before $3 d$ orbitals.

potassium has electron configuration $[\text{ar}] 4 s^{1}$ and calcium $[\text{ar}] 4 s^{2}$ . the s orbital of a main shell holds a maximum of two electrons. the next element would thus have the electron configuration $[\text{ar}] 4 s^{2} \; 3d^{1}$ and satisfy the requirements.

a neutral atom of the element contains three electrons on top of the most recent noble gas element. it should thus be placed in the third column of the periodic table. both scandium and yttrium would satisfy the conditions. an aufbau diagram indicates that the 4f orbital is filled before the 5d. however, it appears that exceptions exists for both lanthanum and actinium. neutral atoms of the two d-block elements also demonstrate the $ns^{2} \; (n-1) p^{1}$ and should be highlighted as well.

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The measure of the amount of dissolved salts in a given amount of liquid is called
a. desalini...

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