SCIN131 Week 2 Lesson Quiz 2
SCIN131 Week 2 Lesson Quiz 2
Week 2 Lesson Quiz
Part 1 of 3 - 36.0/ 40.0 Points
Question 1 of 25
4.0 / 4.0 Points
To which family does krypton belong?
• A. alkaline earth metals
• B. alkali metals
• C. halogens
• D. noble gas...
scin131 week 2 lesson quiz 2 week 2 lesson quiz part 1 of 3 360 400 points question 1 of 25 40 40 points to which family does krypton belong • a alkaline ear
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SCIN131 Week 2 Lesson Quiz 2
Week 2 Lesson Quiz
Part 1 of 3 - 36.0/ 40.0 Points
Question 1 of 25
4..0 Points
To which family does krypton belong?
• A. alkaline earth metals
• B. alkali metals
• C. halogens
• D. noble gases
• E. none of the above
Feedback:Topic discussed in Chapter
3.6 Question 2 of 25
4..0 Points
An aluminum ion, Al , has:
3+
• A. 13 protons and 13 electrons
, • B. 10 protons and 13 electrons
• C. 27 protons and 24 electrons
• D. 13 protons and 10 electrons
• E. 16 protons and 13 electrons
Feedback:Topic discussed in Chapter
2 Question 3 of 25
4..0 Points
An oxide ion, O , has:
2-
• A. 8 protons and 7 electrons
• B. 10 protons and 7 electrons
• C. 8 protons and 9 electrons
• D. 10 protons and 8 electrons
, • E. 8 protons and 10 electrons
Feedback:Topic discussed in Chapter
2 Question 4 of 25
4..0 Points
Who discovered the law of conservation of mass?
• A. John Dalton and Antoine Lavoisier
• B. John Dalton
• C. none of these.
• D. Albert Einstein
• E. Antoine Lavoisier
Feedback:Great! Topic discussed in Chapter
2. Question 5 of 25
4..0 Points
In an atom of Ar-41, how many neutrons would there be?
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