Questions LLC
Login
or
Sign Up
Ask a New Question
Chemistry
Atomic Structure
Particle composition
Alpha particles are composed of 2 protons and 2 neutrons, so they must be the nuclei of atoms of which element?
1 answer
Alpha particles are composed of 2 protons and 2 neutrons, which means they have a charge of +2 and a mass number of 4. Therefore, alpha particles are the nuclei of helium atoms (symbol: He).
You can
ask a new question
or
answer this question
.
Related Questions
Rutherford fired a beam of alpha particles (helium nuclei) at a thin sheet of gold. An alpha particle was observed to be
Two alpha particles (helium nuclei), each consisting of two protons and two neu- trons, have an electrical potential energy of
The nucleus of 8Be, which consists of 4 protons and 4 neutrons, is very unstable and spontaneously breaks into two alpha
3. The atomic number on the periodic table refers to the number of _____ within an atom.(1 point)
Responses protons or electrons
1. Which statement about subatomic particles is NOT true? (1 point)
Protons and neutrons have almost the same mass. Protons and
An alpha particle is made up of _____.(1 point)
Responses two protons and two neutrons two protons and two neutrons two electrons
An alpha particle is made up of _____.(1 point)
Responses two protons and two neutrons two protons and two neutrons one electron
How many of each subatomic particle does a stable Sodium (Na) atom have? (1 point)Responses11 protons, 11 neutrons, and 12
What two subatomic particles have the greatest mass?
a. neutrons and electrons b. protons and neutrons c. protons and electrons
What two subatomic particles have the greatest mass?
a neutrons and electrons b protons and electrons c protons and neutrons
