Atoms
Elements
Molecules
Compounds
Mystery

100

Atoms are composed of these 3 subatomic particles?
What is protons, neutrons, and electrons?

100

Substance made up of only one kind of atom.
What is an element?

100

Two hydrogen atoms and one oxygen molecule make up one molecule of this.
What is one molecule of water?

100

The chemical formula for table salt.
What is NaCl?

100

Salt water is an example of this.
What is a solution?

200

Particle with a neutral charge in an atom.
What is a neutron?

200

H is the chemical symbol for this element.
What is hydrogen?

200

The number of sodium atom in table salt. Hint: the symbol for table salt is NaCl
What is 1 sodium atom?

200

The chemical symbol for water.
What is H2O?

200

The 3 states of matter.
What is solid, liquid, gas?

300

Center of the atom that makes up most of the atom's mass.
What is the nucleus?

300

Chart used by scientist to list all the elements.
What is the periodic table?

300

All matter in the universe can be described as this.
What is atoms or molecules?

300

The 2 in the chemical formula H2O means this.
What is two atoms of hydrogen?

300

The term used to describe the point at which a solid becomes a liquid.
What is the melting point?

400

Particles located in the nucleus of an atom.
What is protons and neutrons?

400

The number of hyrogen atoms in a molecule of H2.
What is two?

400

The definition of a molecule.
What is a particle that contains more than one atom joined together?

400

The chemical formula for carbon dioxide.
What is CO2?

400

Sugar dissolved in water is an example of this.
What is a solution?

500

The number of protons a hydrogen atom has.
What is 1 proton?

500

The element with atomic number 6.
What is carbon?

500

The number of carbon atoms in carbon dioxide.
What is one?

500

The definition of a compound.
What is two or more different atoms joined together?

500

Sand in a bucket of water is an example of this.
What is a mixture?