Answer:
and
Explanation:
date and time are separate terms
Answer:
Explanation:
Ar has the same number of electrons as Ca
2+
. These are isoelectronic species.
The atomic number of Ar is 18. It contains 18 electrons. The atomic number of Ca is 20. It contains 20 electrons.
It loses 2 electrons to form Ca
2+
ion with 18 electrons.
Answer:
"effortless"
Explanation:
"less" is the suffix which negates "effort".
You're exerting strength and attempt when giving effort at a task and either don't have to (as in this case with playing the instrument) or don't when doing something effortlessly, thus the two have opposite connotations via the suffix.
"When you prepare to write any message, you need to start by identifying your purpose." is the correctly punctuated sentence.
