subject
Chemistry, 04.09.2020 20:01 omoaye

A atom has 20 electrons, 21 neutrons, and 20 protons. What is the atomic mass of the atom?

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 22.06.2019 14:30
Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false
Answers: 1
question
Chemistry, 22.06.2019 14:30
How can carbon move from "land" to bodies of water? describe the way human impact has lead to increased levels of co2 in the atmosphere.
Answers: 2
question
Chemistry, 22.06.2019 17:30
A650 ml sodium bromine solution has a bromide ion concentration of 0.245 m. what is the mass (g) of sodium bromide in solution? a) 103.b)0.00155.c)16400.d) 16.4.e) 0.159
Answers: 2
question
Chemistry, 23.06.2019 06:30
An engineer decides to use a slightly weaker material rather than a stronger material, since she knows that the stronger material can break suddenly. this is an example of what? a choosing a material that will show warning before it fails b using composite materials that combine strength c using a material for multiple applications d using design techniques that increase efficiency and reduce cost
Answers: 3
You know the right answer?
A atom has 20 electrons, 21 neutrons, and 20 protons. What is the atomic mass of the atom?...
Questions
question
Mathematics, 24.07.2019 03:40
Questions on the website: 13722367