<em>Answer:</em>
- Li and K have same chemical properties
- O and Se have same chemical properties
- He and Ar have same chemical properties
<em>Explanation:</em>
According to modern periodic table, the elements present into same group group have same chemical properties due to same valence shells electrons.
<em> Li and K have same chemical properties: </em>
Both these elements are present in same group i.e group 1 known as alkali atoms. Almost all alkali metals have same chemical properties.
<em> O and Se have same chemical properties</em>
Both these elements are present in same group VI A. The elements present in same group have same chemical properties.
<em>He and Ar have same chemical properties</em>
Both these elements are present in same group VIII A called it noble gases. The elements present in same group have same chemical properties both are inert.
I got 1.97 times 10 to the 23rd power. no idea if its right
Conditioning is the process of C. learning associations.
Two types of conditioning.
1) Classical conditioning
2) Operant conditioning.
Classical conditioning happens when an individual learns to associate two stimuli. This happens when an association is learned between an unconditioned stimulus and a conditioned stimulus.
Operant conditioning happens when an individual associates a behaviour with a consequence. For example, when a behaviour produces a good consequence; the individual is conditioned to repeat the behaviour to garner the same good consequence, and vice versa.
Answer:
This relationship between temperature and pressure is observed for any sample of gas confined to a constant volume. If the temperature increases by a certain factor, the gas pressure increases by the same factor.