Answer:
Noble gas, any of the seven chemical elements that make up Group 18 (VIIIa) of the periodic table. The elements are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), radon (Rn), and oganesson (Og). The noble gases are colourless, odourless, tasteless, nonflammable gases. They traditionally have been labeled Group 0 in the periodic table because for decades after their discovery it was believed that they could not bond to other atoms; that is, that their atoms could not combine with those of other elements to form chemical compounds. Their electronic structures and the finding that some of them do indeed form compounds has led to the more appropriate designation, Group 18.
interactive periodic table
There are a lot of empty space between the particles
basis for defining boundaries in the geologic time scale and for the correlation of strata.
Answer:
<h3>The answer is 6000 N</h3>
Explanation:
The work done by an object can be found by using the formula
workdone = force × distance
From the question we have
workdone = 400 × 15
We have the final answer as
<h3>6000 N</h3>
Hope this helps you