Questions LLC
Login
or
Sign Up
Ask a New Question
Chemistry
Atomic Structure
Neutrons
An atom has 79 electrons, 79 protons, and an atomic mass of 197. How many neutrons does the atom have? A.79 B.118 C.158 D.197
1 answer
mass = protons + neutrons
so plug in your numbers.
You can
ask a new question
or
answer this question
.
Related Questions
An atomic model shows 19 protons, 20 neutrons, and 19 electrons. What is the mass number of the atom?(1 point)
39 58 19 20 I need
An atomic model shows 19 protons, 20 neutrons, and 19 electrons. What is the mass number of the atom?
A = 39 B = 58 C = 20 D = 19
if an atom has 17 electrons and its mass number is 35, calculate the following: number of protons, atomic number, and number of
An atom has 17 electrons, 17 protons, and 18 neutrons.
What is false about this atom. •A. The atomic number of this atom is 18.
1. An atom has 3 protons, 4 neutrons, and 3 electrons. Use the periodic table to determine which atom would have similar
3. The atomic number on the periodic table refers to the number of _____ within an atom.(1 point)
Responses protons or electrons
An atomic model shows 19 protons, 20 neutrons, and 19 electrons. What is the mass number of the atom
If only an element's atomic number and weight are provided, what other atomic information can be determined for a neutral atom?
An atomic model shows 19 protons, 20 neutrons, and 19 electrons. What is the mass number of the atom? (1 point)
O 20 O 19 O 39 O
1. Which statement about subatomic particles is NOT true? (1 point)
Protons and neutrons have almost the same mass. Protons and