MOLECULES

All ____________ are made up of two or more atoms bonded together.

• atoms
• molecules
• electrons
• elements

Bonds between atoms in a molecule form as a result of the sharing  of?

• formulas
• electrons
• atoms
• chemicals

H₂O₂← ?
This number tells the number of atoms present.

• coefficient
• molecule
• subscript
• atom

What does this image represent?

• Atom
• Element
• Compound Molecule

• Elemental Molecule

Which is an example of a elemental atom?

• NaCl
• H20
• O2
• CO

The Atomic Number is the same as the number of:

• protons
• electrons
• protons and neutrons
• electron shells

How do covalent bonds form?

• Donating & receiving valence e- between atoms.

• Opposite slight charges attract each other between compounds.

• Scientists are still not sure how they form.

• Sharing valence electrons between atoms.

Atoms are most stable when their outer shell is complete.

• true
• false

What is the difference between an elemental molecule and a compound molecule?

• Elemental have different types of atoms bonded together, compound have the same type of atoms bonded together.

• Elemental have the same type of atoms bonded together, compound have different types of atoms bonded together.

• No difference

What do we call a chemical substance made up of 2 or more different types atoms bonded together?

• formula
• atom
• subscript
• compound