Question

Drag the item from the item bank to its corresponding match.
This is a group of protons and neutrons in the center of all atoms.
This is the basic building block of all matter.
This is a subatomic particle with a negative charge and very little mass.
This is an atom that has lost or gained electrons.
This is a subatomic particle with no charge and a mass of 1 amu.
This is a subatomic particle with a positive charge and a mass of 1 amu.
Atoms of the same element with varying number of neutrons.

responses
proton
nucleus
isotopes
neutron
atom
electron
ion

Answer 1

Here are the matches for each item:

1. **This is a group of protons and neutrons in the center of all atoms.** - **nucleus**
2. **This is the basic building block of all matter.** - **atom**
3. **This is a subatomic particle with a negative charge and very little mass.** - **electron**
4. **This is an atom that has lost or gained electrons.** - **ion**
5. **This is a subatomic particle with no charge and a mass of 1 amu.** - **neutron**
6. **This is a subatomic particle with a positive charge and a mass of 1 amu.** - **proton**
7. **Atoms of the same element with varying number of neutrons.** - **isotopes**