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Atoms
Elements
Molecules
Compounds
Atomic Theorists
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. Hint: sodium and chlorine

What is NaCl?

100

His theory stated that atoms were the smallest particles of matter and were fully solid spheres.

Who is Dalton?

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 atoms 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

His atomic theory states that electrons are placed within a "soup" of positive charges.

Who is Thomson?

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 is made of this.

What is atoms or molecules?

300
The 2 in the chemical formula H2O means this.
What is two atoms of hydrogen?
300

His atomic theory stated that atoms are mostly empty space with a positively charged nucleus and the electrons orbit the nucleus like planets around the sun.

Who is Rutherford?

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

His atomic theory stated that atoms have a positively charged nucleus and that the electrons have a fixed orbit around the nucleus.

Who is Bohr?

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

This atomic theory states that electrons move at high speeds around the nucleus forming electron clouds.

What is the current theory?