Atoms and molecules REVIEW

Atoms

100

smallest unique particle that makes up matter

What is an atom

200

Positively charged particle in the nucleus

What is a proton

300

negatively charged particle that orbits the nucleus?

What is an electron?

400

Electrons in the outermost level

What are valence electrons?

500

The interior part of an atom

What is the nucleus

Chemical Bonds

100

the force that holds atoms together to form molecules?

What is a chemical bond?

200

Shared Electrons

What makes a bond covalent?

300

Charged atoms (loses or gains electrons)

What are ions?

400

formed between a metal + nonmetal

What are ionic bonds

500

transferred electrons

What makes ionic bonds?

Molecules

100

Molecule

What do we call more than one atom joined together?

200

Formula for water

What is H₂0

300

Formula for table salt

What is NaCl

400

Ho many hydrogen atoms in C₁₄H₂₆O₁₄?

What is 26?

500

Hydrochloric acid

What is HCl

Periodic Table

100

Element with 1 proton

What is hydrogen?

200

Groups 

What do we call the columns of the periodic table?

300

Period 

What do we call the rows of the periodic table?

400

elements that have full electron shells and are unreactive ("stable")

What are noble gases (He, Ne, Xe, Ar, etc)

500

Atomic weight

What is the number of protons plus the number of neutrons?

Elements

100

Element

What is a material that is made of a single type of atom?

200

The smallest atom

What is hydrogen?

300

Pb

What is the chemical symbol for lead?

400

An element with 1 valence electron and 11 protons

What is Sodium?

500

The number of neutrons that copper has

What is 35?