a student wants to draw a model of a atom. which statement describes how to find the number of neutrons to include in the model?
subtract the atomic number from the mass number
add the number of electrons to the number of protons
subtract the number of electrons from the number of protons
add the atomic number and the mass number
The statement "subtract the atomic number from the mass number" describes how to find the number of neutrons to include in the model.
To find the number of neutrons to include in the model of an atom, subtract the atomic number from the mass number.
To find the number of neutrons to include in the model of an atom, you can subtract the atomic number from the mass number.
Here's how you can do it:
1. Locate the atomic number of the atom. This can typically be found on the periodic table.
2. Find the mass number of the atom. The mass number represents the sum of protons and neutrons in the atom. It is usually listed alongside or below the element's symbol on the periodic table.
3. Subtract the atomic number from the mass number. The atomic number represents the number of protons in the atom.
For example, let's say you want to represent the atom of an element with an atomic number of 8 and a mass number of 16. By subtracting the atomic number (8) from the mass number (16), you can determine that the atom has 8 neutrons.
So, the correct statement to find the number of neutrons in an atom's model is: "subtract the atomic number from the mass number".