Answer:
+2
Explanation:
The nitrate ion is a radical with an overall charge of -1. To get the oxidation number of lead, add up all the oxidation numbers and equate to zero. Therefore the oxidation state of lead is +2.
Answer:
Explanation
Explanation:
The periodic table of elements arranges all of the known chemical elements in an informative array. Elements are arranged from left to right and top to bottom in order of increasing atomic number. Order generally coincides with increasing atomic mass. The rows are called periods
Well - it depends on where you start and where you finish on the electromagnetic spectrum. But by most estimates, we're can see about 0.0035% of the electromagnetic spectrum (that includes gamma rays, radio waves, x-rays, infrared, ultraviolet, microwaves, etc.).
<em>Hope this helps</em>!
<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>
T1-T2
40°+273=313-20°+273=293
313-293=20
the final temp is 20°
