You have new items in your feed. Click to view.
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
25,932,657 questions answered
Popular Conversations
If five times a number plus two is 17, what is the number?
Weegy: 3 because 5 times 3 is 15 + 2 is 17. User: Simplify this expression: 19 – (–8) – (–14) = ? User: Simplify ...
8/24/2016 8:52:47 AM| 3 Answers
Which of the following economic systems theoretically has the most ...
Weegy: Capitalist has the most limited government interference. User: Complete this list of the factors of ...
8/24/2016 6:43:12 AM| 2 Answers
The Law of Multiple Proportions states that _____.
Weegy: If two elements form more than one compound between them, then the ratios of the masses of the second element ...
8/24/2016 1:39:50 PM| 2 Answers
advocate
Weegy: Noun: A person who publicly supports or recommends a particular cause or policy. Verb: Publicly recommend or ...
8/24/2016 4:10:20 PM| 2 Answers
What is the square root of 121/49
8/24/2016 8:18:41 PM| 2 Answers
Which one of the following words is a singular verb? A. WALK B. ...
Weegy: The following words is a singular verb is sees.
8/24/2016 11:31:58 PM| 2 Answers
Weegy Stuff
S
Points 615 [Total 686] Ratings 4 Comments 575 Invitations 0 Offline
S
1
L
Points 506 [Total 1340] Ratings 2 Comments 486 Invitations 0 Offline
S
L
P
P
P
P
Points 408 [Total 3663] Ratings 0 Comments 408 Invitations 0 Offline
S
Points 106 [Total 106] Ratings 0 Comments 106 Invitations 0 Offline
S
L
P
P
P
Points 46 [Total 3862] Ratings 0 Comments 46 Invitations 0 Offline
S
Points 40 [Total 45] Ratings 0 Comments 0 Invitations 4 Offline
S
Points 27 [Total 254] Ratings 0 Comments 27 Invitations 0 Offline
S
Points 15 [Total 15] Ratings 0 Comments 5 Invitations 1 Offline
S
L
C
Points 11 [Total 4491] Ratings 1 Comments 1 Invitations 0 Offline
S
Points 10 [Total 10] Ratings 1 Comments 0 Invitations 0 Offline
* Excludes moderators and previous
winners (Include)
Home | Contact | Blog | About | Terms | Privacy | © Purple Inc.