ATOMS AND MOLECULES

How would H2O be classified?

• Atom

• Molecule

• Compound

• SURD

How would O2 be qualified.

• Atom

• Molecule

• Compound

• TRIATOMIC MOLECULE

What is an element?

• A pure substance that cannot be broken down.

• Two atoms bonded together.

• Two or more different types of atoms bonded together.

• An molecule with an unequal distribution of charge.

What are atoms composed of?

• Protons and electrons.

• Protons, neutrons, and electrons.

• Neutrons and electrons.

• Ions, elements, and compounds.

What two subatomic particles are found in the nucleus?

• proton and electron

• electron and neutron

• neutron and proton

• neutron and electron

What is an ion?

• a charged atom

• an atom with different neutrons

• atoms with no protons

• atoms with no electrons

Where are electrons found?

• the nucleus

• next to the neutrons

• the proton

• orbiting the nucleus

What is this?

• Compound
• Element
• Mixture of elements
• Mixture of compounds

• 10

• 1

• 0.1

• 0.01

Who coined the term atom?

• JOHN DALTON

• DEMOCRITUS

• LEUCIPPUS

• MAHARISHI KANAD