Composition of Matter Matching
Match the terms with their definitions.
Name ____________________________
Date _____________________________
The number of protons found in the nucleus of an atom.
The total weight of an atom.
An organic compound consisting of amine and carboxylic acid.
A chemical bond where one atom gives up an electron to form a positive ion, and the other atom gains an electron to form a negative ion.
Atoms or groups of atoms with unpaired number of electrons.
The amount of time it takes for half of a substance to undergo a specific process.
An atom with an uneven electrical charge due to the loss or gain of one or more electrons.
A large molecular chain-like structure that is made up of smaller molecules called monomers.
The chemical process that combines several monomers to create a polymer.
The smallest part of a compound that can exist by itself.
The center of the atom that contains protons and neutrons.
A pure substance that cannot be broken down into a simpler form.
A nuclear reaction where a neutron splits an atomic
nucleus into two smaller atoms.
A strong force that holds subatomic particles of the nucleus together.
A nuclear reaction that releases radiation from an unstable material.
A positively charged particle.
a. polymerization
b. half-life
c. free radical
d. nuclear fission
e. amino acids
f. atomic number
g. nucleus
h. ion
i. proton
j. atomic weight
k. radioactive
l. ionic bond
m. polymer
n. nuclear force
o. molecule
p. element
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