Ivy Tech- CHEM 101_ Test 2: Chapters 4 & 9 Questions And Answers.

Ivy Tech- CHEM 101_ Test 2: Chapters
4 & 9 Questions And Answers.
Which of the following elements is a Noble Gas?



A) Mg

B) None of these

C) Ne

D) S

E) Na - Answer C) Ne



Which of the following elements is a Halogen?



A) Phosphorous (P)

B) Chlorine (Cl)

C) Beryllium (Be)

D) Sodium (Na)

E) None of these - Answer B) Chlorine (Cl)



How many valence electrons are in sulfur (S)?



A) 4

B) None of these

C) 6

D) 7

E) 5 - Answer C) 6



Which of the following elements is a metal?



A) Carbon (C)

B) None of these

C) Oxygen (O)

D) Bromine (Br)

E) Calcium (Ca) - Answer E) Calcium (Ca)

, Which of the following elements is a non-metal?



A) Flourine (F)

B) None of these

C) Palladium (Pd)

D) Barium (Ba)

E) Lithium (Li) - Answer A) Flourine



What charge would you expect Selenium (Se) to have as an ion?



A) +2

B) +6

C) -2

D) +4

E) None of these - Answer C) -2



What charge would you expect Cesium (Cs) to have as an ion?



A) None of these

B) +2

C) -1

D) +1

E) -7 - Answer D) +1



Which element has 32 protons?



A) Selenium (Se)

B) Sodium (Na)

C) Sulfur (S)

D) None of these

E) Germanium (Ge) - Answer E) Germanium (Ge)



How many neutrons are in U-239?



A) 238