Question and answer
How do scientists determine the number of neutrons in an isotope of an atom? A. They find the number of protons. B. They divide the atomic mass by two. C. They add the number of
electrons and protons. D. They subtract the atomic number from the atomic mass.
B. atomic number from mass number. Atomic number - mass number gives us the number of neutrons in an atom.
Get an answer
Original conversation
User: How do scientists determine the number of neutrons in an isotope of an atom? A. They find the number of protons. B. They divide the atomic mass by two. C. They add the number of electrons and protons. D. They subtract the atomic number from the atomic mass.

Weegy: B. atomic number from mass number. Atomic number - mass number gives us the number of neutrons in an atom.
eturker|Points 2667|

User: Which of the following is true statement about isotopes? A. The number of protons always equals the number of neutrons in all isotopes. B. The number of protons never equals the number of neutrons in an isotope. C. Different isotopes for the same element will always have the same numbers of neutrons. D. Different isotopes for the same element always have the same number of protons.

Weegy: The answer is: D. with the same number of protons but different number of neutrons. [smile]
koaley|Points 6227|

User: What determines the chemical properties of an element? A. the number and arrangement of the electrons in an atom B. the number of neutrons and protons in an element C. the arrangement of all the neutrons, protons, and electrons D. the atomic mass of an atom

User: What determines the chemical properties of an element? A. the number and arrangement of the electrons in an atom B. the number of neutrons and protons in an element C. the arrangement of all the neutrons, protons, and electrons D. the atomic mass of an atom







Weegy: D. the atomic mass of an atom
Expert answered|Booknerd_lizzy|Points 300|

Question
Asked 10/22/2012 4:12:05 PM
0 Answers/Comments
New answers
Rating

There are no new answers.

Comments

There are no comments.

Add an answer or comment
Log in or sign up first.
Questions asked by the same visitor
Find the difference. 8 – 12 A. –20 B. –4 C. 4 D. 20
Weegy: 8 – 12 = -4 User: Find the difference. 12 – (–17) A. –29 B. –5 C. 5 D. 29 (More)
Question
Expert Answered
Updated 8/6/2014 6:31:03 PM
1 Answer/Comment
The difference for 12 – (–17) is 29.
12-(-17)
=12+17
=29.
Added 8/6/2014 6:27:31 PM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by andrewpallarca [8/6/2014 6:31:13 PM], Rated good by andrewpallarca
Find the difference. 12 – (–17) A. –29 B. –5 C. 5 D. 29
Weegy: The difference of 12 ? (?17) is: D. 29 User: Choose the correct answer. Which expression has a value of 27? A. –15 – (–12) B. –25 – 2 C. 10 – 17 D. 16 – (– 11) Weegy: D. 16 – (– 11) seems to be closest answer. (More)
Question
Expert Answered
Asked 10/15/2012 12:46:29 PM
0 Answers/Comments
Choose the correct answer. Which expression has a value of 27? A. –15 – (–12) B. –25 – 2 C. 10 – 17 D. 16 – (– 11)
Weegy: D. 16 – (– 11). The expression 16 – (– 11) has a value of 27. (More)
Question
Expert Answered
Asked 10/15/2012 1:01:15 PM
0 Answers/Comments
What is the value of the expression q + 39 when q = –12? A. –51 B. –27 C. 27 D. 51
Weegy: C. 27. If q is -12, then the value of -12 + 39 is 27. (More)
Question
Expert Answered
Asked 10/15/2012 1:08:17 PM
0 Answers/Comments
What is the value of the expression 1 – r – a when r = 20 and a = 6? A. –27 B. –25 C. –15 D. –13
Weegy: B. –25. If r is 20 and a is 6, then the value of 1 - 20 - 6 is -25. (More)
Question
Expert Answered
Asked 10/15/2012 1:14:01 PM
0 Answers/Comments
24,968,375 questions answered
Popular Conversations
The line that contains the point Q( 1, -2) and is parallel to the ...
Weegy: -(4)^-2 is equal to - 1/16 -(4)^-2 = - 1/4^2 = - 1/16 User: Find the slope of the line that contains the ...
4/28/2016 11:38:51 AM| 3 Answers
Centripetal force
4/28/2016 10:31:18 AM| 2 Answers
The absorption of water by plants is called transpiration. True ...
Weegy: The absorption of water by plants is called transpiration. TRUE.
4/28/2016 11:08:22 AM| 2 Answers
(5a - 7)(2a - 1)? User: What is the product of (4x + 3)(-2x - ...
Weegy: (4x + 3)(-2x - 5) = -8x^2 - 20x - 6x - 15 = -8x^2 - 26x - 15 User: Factor 2x^2 + 7x + 3. (2x + 2)(x + 1) (2x ...
4/28/2016 11:54:33 AM| 2 Answers
Weegy Stuff
S
Points 888 [Total 888] Ratings 20 Comments 668 Invitations 2 Offline
S
1
L
L
P
R
P
L
P
Points 287 [Total 12239] Ratings 2 Comments 257 Invitations 1 Offline
S
L
P
P
P
Points 231 [Total 3377] Ratings 0 Comments 231 Invitations 0 Offline
S
Points 131 [Total 131] Ratings 3 Comments 101 Invitations 0 Offline
S
Points 43 [Total 43] Ratings 4 Comments 3 Invitations 0 Offline
S
Points 43 [Total 56] Ratings 4 Comments 3 Invitations 0 Offline
S
Points 20 [Total 20] Ratings 2 Comments 0 Invitations 0 Offline
S
Points 20 [Total 52] Ratings 2 Comments 0 Invitations 0 Offline
S
Points 15 [Total 68] Ratings 0 Comments 15 Invitations 0 Offline
S
Points 14 [Total 19] Ratings 0 Comments 14 Invitations 0 Offline
* Excludes moderators and previous
winners (Include)
Home | Contact | Blog | About | Terms | Privacy | © Purple Inc.