Answer:
D.) It is between groups 13 to 18 because it is a non-metal.
Explanation:
Here we can see the periodic table and what each element is.
It is a non - metal because it is gaseous.
CaCO3 is the reactant in excess. The amount of CaCO3 remaining is 11.5 g . ... Hydrochloric acid and calcium chloride. 2 mol HCl1 CaCl2. Determine the mass of CaCO3 that reacted with the limiting reactant HCl .
93.21 miles hope this is correct and hoped I helped you
Answers:
Atomic number = 63
Mass = 150.919 a.m.u
Nuclear symbol = ¹⁵¹Eu₆₃
Explanation:
Europium (Eu) is a member of lanthanide series in periodic table. these are radioactive elements that emits radiations continuously. these elements are also called rare earth element due to their rare existent.
Europium (Eu) has two naturally occurring isotopes as follow,
1) Eu¹⁵² with 52.19 % abundance.
2) Eu¹⁵¹ with 47.81 % abundance.
Answer:
A Type of Drink
Explanation:
A controlled variable remains constant throughout the experiment.
In such experiment, you'd test the volume of one single caffeinated drink. You'd have to use the same type of drink every trial.
