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
Simora [160]
4 years ago
8

How much mass would a nucleus that is composed of 15 protons and 18 neutrons have?

Chemistry
1 answer:
Olin [163]4 years ago
5 0
The mass is the total number of protons and neutrons there are in the nucleus. There are 15 and 18 neutrons, that means the mass is 33
15 + 18 = 33
You might be interested in
Which of the following elements would make a 2- ion? <br> A. N<br> B. O <br> C. Si<br> D. Mg
nataly862011 [7]

Answer:

oxygen

Explanation:

because the 2nd shell is not complete which is suppose to be 8 and since oxygen is 8 it first shell is 2 which is complete and the second shell which is 6 is not complete because we all know that 2+6=8 but the standard shell is

K-2

L-8

M-8

3 0
3 years ago
Alex lives in Arizona. He plants flowers in a pot with new soil mixed with fertilizers, and he places the pot on his back porch.
Anuta_ua [19.1K]
Since he’s watering it and it’s getting sun, i would say it’s because the soil isn’t rich enough and it doesn’t have the nutrients it needs for the plant to grow.
5 0
3 years ago
Read 2 more answers
Consider the diagram below
Artyom0805 [142]
Energy of the reactants would be correct
5 0
2 years ago
What coefficients should be added in order to make this a balanced equation?
Vanyuwa [196]

Answer:

Hello

Coefficients are 1,3,2,1

Explanation

6 0
4 years ago
what special requirements would a helicopter rotor need to have in order to make a helicopter flight possible on the red planet.
professor190 [17]

Answer:

Explanation:

may u explain what u mean then i will be able to help u because i like knows this but what u mean will be better so i can tell u the right answer thanks have a good day

6 0
3 years ago
Other questions:
  • At a certain temperature the speeds of six gaseous molecules in a container are 2.0 m/s, 2.2 m/s, 2.6 m/s, 2.7 m/s, 3.3 m/s, and
    7·2 answers
  • Fill in the blank to complete each statement.
    5·1 answer
  • Write two solubility rules that are used in this lab
    15·1 answer
  • Water is a source of ______________ for chemical reactions in cells.
    8·1 answer
  • Suppose, in an experiment to determine the amount of sodium hypochlorite in bleach, you titrated a 26.34 mL sample of 0.0100 M K
    12·1 answer
  • What is the mass, in grams, 200mL of liquid with a density of 1.4g/mL
    12·1 answer
  • Describe the motion of molecules in an ice cube and in a radiator in winter
    11·1 answer
  • What will be the substitution product of (S)-2-chloro-3-methylbutane in polar aprotic conditions favoring SN2?
    11·1 answer
  • C2H6O + _02&gt; _CO2 + _H20<br> +<br> Please help balance this equation
    11·1 answer
  • Nitrogen is an atom or molecules​
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!