Density
=mass÷volume
=277÷38
=7.29 g/cm3
The answer is 8 :)
All nobel gases have 8 outer electrons.
Answer:
Explanation:
A t-test is a type of inferential statistic used to determine if there is a significant difference between the means of two groups, which may be related in certain features. The t-test is one of many tests used for the purpose of hypothesis testing in statistics. Calculating a t-test requires three key data values.
Answer:
2 hydrogen and 1 oxygen atoms
Explanation: