[Answered] Which of the following is a radioactive semimetal? A) Ge B) Pm C) Po D) Rn E) none of the ...

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Author Question: Which of the following is a radioactive semimetal? A) Ge B) Pm C) Po D) Rn E) none of the ... (Read 28 times)

kamilo84

Sr. Member
Posts: 495

on: Aug 27, 2018

Which of the following is a radioactive semimetal?

A) Ge
B) Pm
C) Po
D) Rn
E) none of the above

Question 2

What is the term for a modification of a substance that alters its chemical composition?

A) atomic change
B) chemical change
C) molecular change
D) physical change
E) none of the above

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juwms

Sr. Member
Posts: 337

Reply #1 on: Aug 27, 2018

Answer to Question 1

C

Answer to Question 2

B)

kamilo84

Sr. Member
Posts: 495

Reply #2 on: Aug 27, 2018

Both answers were spot on, thank you once again

juwms

Sr. Member
Posts: 337

Reply #3 on: Aug 27, 2018

Great! Please up vote

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Author Question: Which of the following is a radioactive semimetal? A) Ge B) Pm C) Po D) Rn E) none of the ... (Read 28 times)

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