8) Based on the previous question, what is the main reason for this reactivity?

Question

8) Based on the previous question, what is the main reason for this reactivity? A. A higher number of protons make elements unstable, and more likely to react A lower number of neutrons than protons make elements unstable and more likely to react An unfilled outer valence shell of electrons make the atom more likely to react with ionic bonds A gaseous element is ALWAYS more likely to react with another element than metals/liquids 9) Which is the BEST physical description of an atom? A. mostly protons with neutrons and electrons sticking to them mostly neutrons outside of a proton and electron nucleus mostly electrons packed into a nucleus with neutrons rotating around protons protons, neutrons, and electrons slammed into a tiny nucleus protons and neutrons in a nucleus with electrons filling mostly empty space around it E. 10) Neutral solutions have a pH of 11) Which is true? pH of less than 7 is basic, pH of more than 7 is acidic pH of less than 7 is acidic, pH of more than 7 is basic 12) Vinegar, fruit juice, and cola are examples of A. strong acids weak acids strong bases weak bases

Explanation / Answer

8) The Main reason for reactivity option C.

Because keep it in mind that only electron can react in chemical reaction. More clearly if i say all reactions are oxidation and reduction reaction which involoves only in electron .

9) The best description of an atom is option E.

Protons and neutrons are in nucleus and with electron filling mostly mostly empty space around it.

10) Neutral solution have a pH of 7.

11) pH of less than 7 is acidic and pH of greater than 7 is basic.

12) Vinegar , fruit juice and cola are examples of weak acids.

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