1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
tatyana61 [14]
2 years ago
15

If an atom has 5 protons, 7 neutrons and 5 electrons what is the mass number of the atom?

Mathematics
1 answer:
Mariana [72]2 years ago
5 0

Answer:

7+5=12

Step-by-step explanation:

To calculate the mass number of an atom, you have to add the protons and the neutrons. We have 7 neutrons and 5 protons, so your mass number would be 12. Let me know if you have any further questions. :)

You might be interested in
Helppppppppppppppppp pleaseeeeeeeeeeee​
alexandr1967 [171]
Greater than 6 it’s labeled as 1 through 6 a fair dice has a probability of 16
4 0
2 years ago
Can these side lengths make a triangle 12,13,7 ?<br> yes<br> no<br> are in possible
notsponge [240]
Answer: I think it’s yes?
3 0
3 years ago
Can i get help on this question<br> x+4= -9 1/4
Bas_tet [7]
Answer:
x=-25/4
Step-by-step explanation:

First your make both sides clean,

x+4=-9/4

Then you minus 4 on both sides to balance the equation:

x+4-4=(-9/4)-4
x= -25/4

6 0
2 years ago
What is the slope intercept of 2y=14-4x
pentagon [3]
7, 14 would be it but you have to divide the whole equation by 2 to get the y alone
4 0
3 years ago
Read 2 more answers
Solve the system using the substitution method:<br> 3x + 5y = -10<br> X - 5y =-10
inn [45]

<u>Answer:</u>

Point Form:

(−5,1)

Equation Form:

x=−5, y=1

<u>Step-by-step explanation:</u>

Solve for the first variable in one of the equations, then substitute the result into the other equation.

1.  x=5y−10

2. 20y−30=−10

3. y=1

4. x=−5

4 0
3 years ago
Other questions:
  • A teacher let her students grade their math quizzes Jon wrote 13 of 18 Jim wrote .7 Joe reduce his to 5/6 who had the higher gra
    11·2 answers
  • Two parallelograms are similar. The base of the first is 12cm, and its height is 8 cm. Find the base of the second parallelogram
    10·1 answer
  • A function’s graph may include solutions that do not appear in its table values.
    12·1 answer
  • Math questions, pls help me and ill reward &lt;3 : )
    14·1 answer
  • Graph the line that represents the equation Y+2= 1/2(x+2)
    15·1 answer
  • Four times the reciprocal of a number equal 2 times the reciprocal of 8
    12·1 answer
  • Is this right? Also what do I have to right in the box.
    9·1 answer
  • Can someone please help me with this?
    13·1 answer
  • Simplify the question in the picture
    11·2 answers
  • Expand (distribute) to write an equivalent expression: 1/2(-10x + 12y).
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!