It is not practical to use in scientific experimentation to test the effect of an octave on the quality of a song. There are so many scientific experimentations to test the effect that can be count practical like the color on brain waves and function, adrenaline on the response time of carnivores, nutrients on the gender of offspring and much more. Scientific Experimentation has an organized process and detailed series of steps to reject or validate a hypothesis. It is also a third step in scientific method. Researcher use experimentation to test a new hypothesis or theories to approve or support and disapprove them.
This is your answer:
-13 degrees C
Answer:
1 Cu + AgNO3 → Ag + CuNO3
2 Cu + Ag(NO3)2 → Ag + CuNO3
Explanation:
plzzz mark me brainliest
Answer:
For example, atoms in Groups 1 and 2 have 1 and 2 valence electrons, respectively. Atoms in Groups 13 and 18 have 3 and 8 valence electrons, respectively. Valence electrons are responsible for the reactivity of an element. They determine how "willing" the elements are to bond with each other to form new compounds.
Explanation: it might be 18 my guess:)