<u>Answer:</u>
The element is Chromium.
<u>Explanation:</u>
The atom has 24 protons and 12 neutrons.
We know that Cr has 24 number of protons, to the Chemical is Cr (Chromium)
Again, we know that the atomic number is the number of protons and the atomic mass is the sum of proton and neutron.
So, the atomic number is 24 and the atomic mass is (24+12)= 36
Therefore, the symbol is 
Answer:
The answer is 22.2
Step-by-step explanation:
the outer angles always equal 360, so all of those added together should equal 360, and when you sole the equation, you get 22.2
The shaded area is a segment. The area of a segment is
.
You know radius that is the side of isosceles triangle and measure of angle between two equal triangle sides, then
sq. m..
The area of sector is
sq. m..
Then
sq. m.
Answer:
sq. m.
Answer:
Answer. The circumference of the circle is 20π cm or about 62.8 cm.
Step-by-step explanation:
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