This printable crossword puzzle on the topic of Elements & Periodic Table has 29 clues. Answers range from 3 to 18 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Anything that has mass and takes up space
Has a negative electrical charge and is a subatomic particle.
Electrons in the outermost energy level.
The number of protons in an atom's nucleus.
An atom's nucleus is made up of these smaller particles.
Chart that organizes the elements.
Substance that cannot be broken down chemically into any other substance.
When an atom gains or loses one or more electrons, it forms this charged particle.
A group of symbols that demonstrate the makeup of a compound. Hint: NaCl
Elements that have full outer energy levels. Considered stable and unreactive.
The small building blocks of matter.
Has a positive electrical charge and is a subatomic particle.
Has no electrical charge (Neutral) and is a subatomic particle.
Number of protons + number of neutrons in an atom = ?
Atoms of the same element that have different numbers of electrons. Hint: Oxygen
Element that is a good conductor of electricity and heat.
Element that does not conduct heat and electricity easily.
Elements that have a combination of metals and nonmetals.
Substances that contain two or more elements that are chemically joined together.
Atoms are joined together by forming this.
Type of bond formed when two ions with opposite charges attract each other.
Type of bond made up of positively charged metal ions surrounded by a "sea" of negative elements.
Type of bond between atoms in which electrons are shared.
Smallest unit of a compound that still has properties of that compound.
Molecule made of covalently bonded atoms that often share electrons unequally.
Covalent compound that contains one or more carbon atoms.
Compound composed of only carbons and hydrogen atoms.
Compounds that have same chemical formula but different molecular structures and shapes.
Where most of the atom's mass is located