In the interactive, start adding neutrons to the nucleus.Describe what happens to the mass number each time you add a neutron, and why.
Question
In the interactive, start adding neutrons to the nucleus.Describe what happens to the mass number each time you add a neutron, and why.
Solution
When you add a neutron to the nucleus of an atom, the mass number of the atom increases by one. This is because the mass number of an atom is the total number of protons and neutrons in its nucleus. Since you are adding a neutron, you are increasing the total number of these particles in the nucleus, which in turn increases the mass number.
Similar Questions
Begin to add protons, neutrons, and electrons to the atom by dragging them to their correct position from the buckets at the bottom. Analyse how the mass number changes when protons are added. Then do this with neutrons and electrons. Use your knowledge of these particles to explain why the mass number changes in this way.
Identify which of the following change when neutrons are added to an atom.Mass numberAtomic numberNet chargeThe atom's mass
An atom's mass number is determined by the number of (1 Point)nucleons in its nucleusneutrons in its nucleusprotons in its nucleuselectrons in its nucleus
Describe how changing the number of protons in the nucleus changes the atomic number.
How is the atomic mass of an element determined?By adding the number of protons and electronsBy the number of protons in the nucleusBy the number of electrons in the outer orbitalsBy adding the number of protons and neutrons in the nucleus
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