Answer:
<h3>The answer is 8.40 g/mL</h3>
Explanation:
The density of a substance can be found by using the formula
volume = final volume of water - initial volume of water
volume = 56.4 - 50 = 6.4 mL
We have
We have the final answer as
<h3>8.40 g/mL</h3>
Hope this helps you
Answer:
Los metales alcalinotérreos son casi estables, pues si pierden dos electrones tendrán una configuración bien estable. ... Dicho de otro modo, a menos que indique lo contrario, las generalidades de los metales alcalinotérreos estarán referidas para todos los elementos del grupo 2 MENOS el berilio y el radio.
Explanation:
Ra-226 will go through α decay which means the nucleus of radium-226 will emit a α particle. α particle consists of 2 protons and 2 neutrons. So it will become Rn-222.