Questions LLC
Login
or
Sign Up
Ask a New Question
Chemistry
Atomic Structure
Particles in an Atom
number of protons + number of neutrons (electrons are so light that we don’t count them)
1 answer
The number of protons plus the number of neutrons in an atom gives the mass number of the atom. The mass number represents the total number of protons and neutrons in the nucleus of an atom.
You can
ask a new question
or
answer this question
.
Related Questions
3. The atomic number on the periodic table refers to the number of _____ within an atom.(1 point)
Responses protons or electrons
What determines an atom’s identity?(1 point)
Responses the number of neutrons the number of neutrons the valence number the
if an atom has 17 electrons and its mass number is 35, calculate the following: number of protons, atomic number, and number of
If only an element's atomic number and weight are provided, what other atomic information can be determined for a neutral atom?
For a model of Beryllium with a Mass Number of 9, give the correct number of Protons, Neutrons, and Electrons there should be in
In order for an atom to be considered "neutral", which of the following must be true?
a The number of protons and neutrons must
1. Which statement about subatomic particles is NOT true? (1 point)
Protons and neutrons have almost the same mass. Protons and
A student wants to draw a model of an atom. Which statement describes how to find the number of neutrons to include in the
Which property do all elements in a row of the periodic table have in common?(1 point) Responses number of neutrons number of
The element sodium has an atomic number of 11 and a mass number of 23. How many protons, neutrons, and electrons does one atom
