Answer:
a) Compaction & Cementation
Explanation:
Explanation:
When an element is displaced by another element in a compound then it is known as a single displacement reaction.
For example, is a single displacement reaction.
Similarly when a hockey player has the puck in the corner of the rink. An opposing player muscles him aside and emerge with the puck displays that a single player is displacing a person.
Thus, we can conclude that this situation is most analogous to single displacement reaction.
Explanation: Nickel atoms<span> have 28 protons in their </span>atomic nuclei<span>, giving </span>nickel<span> the</span>atomic<span> number 28. In addition to 28 protons, a </span>nickel atomic nucleus<span> contains 30 to 36 neutrons, depending on the isotope. ... The </span>atomic nuclei<span> of </span>copper<span> also include 34 to 37 neutrons, depending on the isotope.</span>
Answer:
A. compound (NaCl)
B. element (note: it should be Ar. AR is not an element or compound.)
c. compound (CH4)
d. element (O2)
e. element (Cl)
Explanation:
Element is single and by its self. A compound is multiple elements put together.