Answer is 4 ½ billion.
Scientists think the earth's age is 4 ½ billion. This calculation is based on the radioactive dating. Since the formation of the earth, the time period has been divided into 3 major geological time periods as eon. They are phanerozoic, proterozoic and archean.
Electron cloud is an informal term in physics. It is used to describe where electrons are when they go around the nucleus of an atom. The electron cloud model is different from the older Bohr atomic modelby Niels Bohr. Bohr talked about electrons orbiting the nucleus.
Answer:
0.313 M NaOH
Explanation:
Got it right on the test.
<span>
consider the balanced equation ~~CuSO4 + Zn mc016-1.jpg ZnSO4 + Cu
and this is the answer 79.63g </span>
The balanced chemical reaction is expressed as:
<span>S + 2 HNO3 + 6H+ -----> H2SO3 + N2O + 3H2O
</span>
The oxidizing agent is the atom that was reduced which is H+. The reducing agent is the atom that was oxidizes which is S.
