Multiple Choice
Which subatomic particle has the smallest mass?
A) a proton
B) a neutron
C) an electron
D) an alpha particle
Correct Answer:
Verified
Correct Answer:
Verified
Q5: Elements in a periodic group have similar<br>A)chemical
Q6: What is the chemical formula for iron(II)phosphate?<br>A)Fe<sub>2</sub>P<br>B)Fe<sub>2</sub>PO<sub>4</sub><br>C)Fe<sub>3</sub>P<sub>4</sub><br>D)Fe<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub>
Q7: Assume that the mixture of substances in
Q8: Which of the compounds,Ca<sub> </sub>H<sub>2</sub>,H<sub>2</sub>O<sub> </sub>,C<sub> </sub>H<sub>4</sub>,XeF<sub>4</sub>
Q9: The symbol of the isotope having Z
Q11: Mendeleev arranged the elements according to<br>A)atomic number
Q12: The solid compound,Na<sub>4</sub>SiO<sub>4</sub>,contains<br>A)Na<sup>+</sup>,Si<sup>4+</sup>,and O<sup>2-</sup> ions.<br>B)Na<sup>+</sup> ions and
Q13: According to the law of multiple proportions,if
Q14: A sample of pure lithium carbonate contains
Q15: Which element indicated by letter in the