Chemistry
Chemistry, 27.12.2019 00:31, serg42

14. how is the number of neutrons in the nucleus of an atom calculated?
add the number of electrons and protons together.
subtract the number of electrons from the number of protons.
subtract the number of protons from the mass number.
add the mass number to the number of electrons.

answer
Answers: 2

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 11:00, snowprincess99447
Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.
Answers: 1
image
Chemistry, 23.06.2019 05:30, victoria6929
Calculate the temperature rise when 0.2g of propane is used to heat 400cm cubed of water.
Answers: 3
image
Chemistry, 23.06.2019 16:00, Karinaccccc
The electron configuration for chromium is 1s22s22p63s23p63d54s1 instead of 1s22s22p63s23p63d44s1. the configuration is an exception to the pauli exclusion principle heisenberg uncertainty principle aufbau principle schrödinger equation
Answers: 3
image
Chemistry, 23.06.2019 17:10, nonispn606
What is the percent by mass of sodium in na2so4?
Answers: 2
Do you know the correct answer?
14. how is the number of neutrons in the nucleus of an atom calculated?
add the number of elec...

Questions in other subjects: