Multiple Choice
Elements in group 17 (VIIA) are called __________
A) alkali metals.
B) pnictogens.
C) alkaline earth metal.
D) halogens.
E) chalcogens.
Correct Answer:
Verified
Correct Answer:
Verified
Q8: Which of the following is most likely
Q28: Which one of the following is an
Q34: In the atoms in the Rutherford-Geiger-Marsden experiment,
Q58: Protons and neutrons are examples of _<br>A)nuclei.<br>B)nuclides.<br>C)nucleons.<br>D)isotopes.<br>E)charged
Q66: How many atoms of each element are
Q74: What is the chemical formula for hexasulfur
Q90: Who discovered electrons?<br>A)Robert Boyle<br>B)Robert Millikan<br>C)Joseph John Thomson<br>D)John
Q101: The Curiosity rover now on Mars
Q105: Which element labeled A-E in the periodic
Q106: Which anion is not labeled correctly?<br>A) NO<sub>2</sub><sup>-</sup>