121) Which of the following drawings depicts a chemical reaction consistent with Dalton’s atomic

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121) Which of the following drawings depicts a chemical reaction consistent with Dalton's atomic theory?

A) drawing a)

B) drawing b)

C) drawing c)

D) drawing d)

122) If shaded and unshaded spheres represent atoms of different elements, as shown in drawing (1), which drawings (2)-(4) represent the law of multiple proportions?

A) only drawings (2) and (3)

B) only drawings (2) and (4)

C) only drawings (3) and (4)

D) drawings (2), (3), and (4)

123) If shaded and unshaded spheres represent atoms of different elements, as shown in drawing (1), which drawings (2)-(4) represent the law of multiple proportions?

A) only drawings (2) and (3)

B) only drawings (2) and (4)

C) only drawings (3) and (4)

D) drawings (2), (3), and (4)

124) If shaded and unshaded spheres represent atoms of different elements, as shown in drawing (1), which drawings (2)-(4) represent the law of multiple proportions?

A) only drawings (2) and (3)

B) only drawings (2) and (4)

C) only drawings (3) and (4)

D) drawings (2), (3), and (4)

125) If shaded and unshaded spheres represent atoms of different elements, as shown in drawing (1), which drawings (2)-(4) represent the law of multiple proportions?

A) only drawings (2) and (3)

B) only drawings (2) and (4)

C) only drawings (3) and (4)

D) drawings (2), (3), and (4)

126) If shaded and unshaded spheres represent atoms of different elements, as shown in drawing (1), which combination of drawings (2)-(4) represent the law of multiple proportions?

A) only drawings (2) and (3)

B) only drawings (2) and (4)

C) only drawings (3) and (4)

D) drawings (2), (3), and (4)

127) Which of the following figures represents H? Unshaded spheres represent neutrons and shaded spheres represent protons.

A) figure (1)

B) figure (2)

C) figure (3)

D) figure (4)

128) Which of the following figures represents B? Unshaded spheres represent neutrons and shaded spheres represent protons.

A) figure (1)

B) figure (2)

C) figure (3)

D) figure (4)

129) Which of the following figures represents N ? Unshaded spheres represent neutrons and shaded spheres represent protons.

A) figure (1)

B) figure (2)

C) figure (3)

D) figure (4)

130) Tell the type of decay process occurring in the following nuclear reaction.

A) α emission

B) β emission

C) γ emission

D) electron capture or positron emission

 

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