Answer:
The SI base unit for amount of substance is the mole. one mole is equal to one mole potassium bromide or 119.0023 grams
Explanation:
The steps involved in formation of a sedimentary rock are placed in the correct order as follows.
Step 1: The sediment is deposited by wind, flowing water, or other natural processes.
Step 2: The sediment is gradually buried and compacted.
Step 3: Dissolved minerals completely cement the sediment together.
As a result, it leads to the formation of a sedimentary rock.
Answer: Discovered by William Ramsay
Discovered in 1868
Explanation:
Oxygen and bromine are both nonmetals, and most nonmetals tend to gain electrons to gain stability.
Only bromine has seven valence electrons - oxygen has six.
Only bromine is a halogen (group 7)
They are both highly reactive. Only the noble gases (group 8) are unreactive elements.