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The scientist who determined the magnitude of the electric charge of the electron was


A) John Dalton.
B) Robert Millikan.
C) J.J.Thomson.
D) Henry Moseley.
E) R.Chang.

F) C) and E)
G) A) and B)

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Use the following to answer questions Use the following to answer questions   -Use the periodic table above to show where the metals are located. -Use the periodic table above to show where the metals are located.

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How many atoms are in one molecule of C6H12O6?

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What are the three types of radiation produced by the decay of substances like uranium?

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Alpha, bet...

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When a beam of alpha particles passes between two electrically charged plates, the beam is deflected toward the positive plate.

A) True
B) False

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Name the following binary compound: FeS.

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How many protons and electrons are present in one Br- ion?


A) 35 p, 35 e
B) 80 p, 81 e
C) 35 p, 34 e
D) 35 p, 36 e
E) 80 p, 34 e

F) None of the above
G) B) and D)

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Define allotrope.

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An allotrope is one ...

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What is the total number of atomic particles (protons, neutrons, and electrons)in an atom of 18F?

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Write the formula for the acid formed from the fluoride anion, and then name the acid.

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HF, hydrof...

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Which of the following is the formula for hydrobromic acid?


A) KBr
B) HBr
C) HBrO
D) HBrO2
E) HBrO3

F) D) and E)
G) B) and D)

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A molecule of antifreeze, ethylene glycol, has the formula C2H4(OH)2. How many atoms are there in one molecule of antifreeze?

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Give the formula of iron(II)phosphate.

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Name the following compound: Cl2O7.

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dichlorine...

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Give the formula of nitric acid.

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The correct name for NH4NO3 is


A) ammonium nitrate.
B) ammonium nitrogen trioxide.
C) ammonia nitrogen oxide.
D) hydrogen nitrogen oxide.
E) hydrogen nitrate.

F) A) and E)
G) A) and D)

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What are isotopes?

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Atoms of the same el...

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How many atoms are in one molecule of CaCl2?

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How many electrons, protons, and neutrons are in a neutral atom of the following isotope of krypton? How many electrons, protons, and neutrons are in a neutral atom of the following isotope of krypton?

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36 electro...

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The number of neutrons in all atoms of an element is the same.

A) True
B) False

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