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All About Atoms

Author: Luke Matta
Across
Word used to describe the size of electrons, protons and neutrons.
The core of an atom.
The part of the atom that carries has a negative charge.
Atoms are the basic building blocks for these.
The path or region an electron travels around the nucleus.
The study of atoms.
The piece of equipment used to measure the mass of atoms.
The number of protons in an atom.
The process of multiple atomic particles joining together to form a heavier nucleus.
The smallest unit of matter.
Down
Atoms are too small to be seen with this piece of equipment.
The part of the atom that is neither positive or negative.
The name of the man who developed the model of an atom where electrons move in orbits.
What the atom is called if there are more electrons than protons.
The dimension used to measure atoms.
The process that causes the nucleus of an atom to split into two smaller parts.
The people that coined the term atom or a'tomos.
The element that has one proton.
An atom with an equal number of protons but different number of neutrons.
Another name used to categorize electrons, protons and neutrons.
The part of the atom that has a positive charge.