Chemistry Review

The smallest particle of an element.

• Element

• Molecule

• Atom

A substance that cannot be broken down into other substances by chemical or physical means.

• Covalent bond

• Atom

• Element

A combination of two or more atoms

• Period

• Molecule

• Atom

• Family

A physical model that depicts the atom as a small positively charged nucleus with electrons in orbit at different levels.

• Covalent bond

• Ionic bond

• Bohr Model

• Electron dot diagram

What is one way Neutrons are different from electrons?

• they both are negative

• neutrons have no charge, while electrons have a negative charge

• Both are in the nucleus( center of atom)

• Electrons are inside nucleus and neutrons are outside the nucleus.

How are electrons similar to neutrons?

• Both have negative charge

• Both are part of a molecule

• Both make up parts of an atom

• Both are in nucleus

What is the atomic number?

• 35

• 18

• 17

• 52

How many protons and electrons does this element have?

• 35

• 18

• 17

• 52

How many neutrons does Chlorine have?

• 18

• 17

• 35

• 52

What is the atomic mass of Neon?

• 10

• 20

• 30