Answer:
A conclusion that is drawn based on the observations that have been made========= 2. inference
A educated guess========3. hypothesis
The group in an experiment that DOES NOT receive the experimental treatment (independent variable) but otherwise it treated EXACLY the same as the experimental groups(s)
========== 8. control group
The factor the the experiment that is manipulated or changed by the person conducting the experiment.=======5. independent variable.
The group in an experiment that is measured to determine if the independent variable had any effect.======8. control group.
The group in an experiment that receives the experimental treatment (independent variable======== 7. experiment group.
- A procedure that is carried out in order to test a hypothesis=======4. experiment
The group in an experiment that is measured to determine if the independent variable had any effect.=======6. dependent variable.
Chemical reactions involve breaking chemical bonds between reactant molecules (particles) and forming new bonds between atoms in product particles (molecules). The number of atoms before and after the chemical change is the same but the number of molecules will change.
Hello the term for weight is newton
hope this helped.
Cody
Answer:
Explanation:
Nitrogen has a lone pair of electrons. That would mean that NH3 is minus at the left end in this case.
H
:N H
H
Methane has its Hs 90 degrees (approximately apart.
H
H C H
H
The pulling forces on the methane cancel each other out. When that happens the chemical is non polar.