By there pH . a pH below 7 is acidic . Above 7 is basic. If it’s right at 7 it’s neutral.
The difference between short period and long period is based upon the number of elements in each period. Shortest period is the first period which contains elements, while the longest period is the 6th period which contains 32 elements.
Answer:
Here it would be A,B and C because all the examples are violating safety precautions. They are all examples of un safe signs.
Hope this helps
Explanation:
Basic because a pH greater than 7 is basic
