Steps/Answers:
Jot down the metal name.
Write the metal name ending in -idle.
Combine cation, annion names,
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Let's eliminate the options one at a time.
A) They indeed all can donate an extra proton (or H+) so they are acidic. A is true.
B) They will not taste bitter, as acids, like those listed, will be sour. B is false
C) A pH above 7 means that something is basic, not acidic. C is false
D) Litmus paper turns blue when exposed to something basic, and red when exposed to something acidic. D is false.
The correct answer is A
<h2>Bombarded α-Particles on a thin Sheet of Gold
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Explanation:
- Rutherford Atomic Model is also known as " The plum pudding model"
- Rutherford’s in his experiment bombarded α-particles which are of high energy on a thin sheet of gold nearly 100 nm of thickness and observed the trajectory path of these particles after interacting with the foil of gold.
- He placed a fluorescent screen of zinc sulfide around the thin gold foil to study the trajectory path of the α-particles and its deflection.
- Most of the α-particles passed through the gold foil were not deflected as most of the internal space of the atom was empty.
- The result was that the positive charge of the atom occupies very little space.
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hope this helps ^^
Answer:
Explanation:
I’m pretty sure because they need the wait so that they can throw it far and fast
hope this helps mate good day
