Multiple Choice
Which of the following statements is not a postulate of Dalton's atomic theory?
A) Each element is characterized by the mass of its atoms.
B) Atoms are composed of protons,neutrons,and electrons.
C) Chemical reactions only rearrange atomic combinations.
D) Elements are composed of atoms.
Correct Answer:
Verified
Correct Answer:
Verified
Q208: What is the chemical formula for cesium
Q209: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4940/.jpg" alt=" -What is the
Q210: What is the chemical formula for strontium
Q211: What is the chemical symbol for an
Q212: How many protons (p)and neutrons (n)are in
Q214: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4940/.jpg" alt=" -Which of the
Q215: Which element is most chemically similar to
Q216: What group of elements does the shaded
Q217: Calcium belongs to the _ group of
Q218: Which of the compounds C<sub>2</sub>H<sub>6</sub>,CaCl<sub>2</sub>,Cu(NO<sub>3</sub>)<sub>2</sub>,OF<sub>2</sub> are expected