Answer:
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Explanation:
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Potassium ion (K+) ; 18 e- = [Ar]
Highest noble Gas is [Ar] at 18 e-
Neutral K is 19 e- with shorthand: [Ar] 4s1
eliminating an electron, eliminates 4s1 and makes it same configuration as Argon.
<u>Acid</u> : A species (molecule or ion) that can lose a proton (H+) is called an acid.
<u>Conjugate base</u> : A conjugate base is simply an acid that has given up a proton(H+).
1.
HF is an acid which will lose its proton(H+) and form its conjugate base
2.
is an acid which will lose its proton(H+) and form its conjugate base
3.
will lose its proton(H+) and form its conjugate base
Note : An acid when loses its proton(H+) form the conjugate base.
Answer:
- Among these warning signs are: A tendency to invoke ad hoc hypotheses, which can be thought of as “escape hatches” or loopholes, as a means of immunizing claims from falsification. An absence of self-correction and an accompanying intellectual stagnation. An emphasis on confirmation rather than refutation.
- o
- Make an observation.
- Ask a question.
- Form a hypothesis, or testable explanation.
- Make a prediction based on the hypothesis.
- Test the prediction.
- Iterate: use the results to make new hypotheses or predictions.
3. A physical property is a characteristic of a substance that can be observed or measured without changing the identity of the substance
4.extensive and intensive properties.
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