Answer:
Atoms
Explanation:
Atoms are widely believed to be the most fundamental particle of matter and their basic building blocks. When atoms combines together, they form compounds. Molecules are another units of matter that are made up of tiny particles of atoms.
Answer:
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Nov 20, 2019 — What type of isoline is indicated on this weather map? In what pressure region is a high-pressure area located? What type of weather would ...
Explanation:
Answer:
c
Explanation:
it makes sense and the diagram is build like that with high tech
Answer:
0.21 M. (2 sig. fig.)
Explanation:
The molarity of a solution is the number of moles of the solute in each liter of the solution. The unit for molarity is M. One M equals to one mole per liter.
How many moles of NaOH in the original solution?
,
where
- is the number of moles of the solute in the solution.
- is the concentration of the solution. for the initial solution.
- is the volume of the solution. For the initial solution, for the initial solution.
.
What's the concentration of the diluted solution?
.
- is the number of solute in the solution. Diluting the solution does not influence the value of . for the diluted solution.
- Volume of the diluted solution: .
Concentration of the diluted solution:
.
The least significant number in the question comes with 2 sig. fig. Keep more sig. fig. than that in calculations but round the final result to 2 sig. fig. Hence the result: 0.021 M.
<h3>
Option D(Last) :- </h3>
<em>The</em><em> charge on the nucleus is constant</em>.
<h3>Explanation:-</h3>
<em>The number of inner shell electrons being constant causes the shielding effect to remain constant across a period</em>
Lemme Follow and Mark brainliest..
<h3>Thank you:)</h3>