ATOMS
MOLECULES
ELEMENTS
PERIODIC TABLE
BONDING
100

Smallest unit of _________

What is matter? 

100

A water molecule is represented as H2O. How many hydrogen atoms are in this molecule?

What is 2? 

100

This organizes all the elements known on earth. 

What is the periodic table? 

100

This side of the periodic table contains the non-metals.  

What is the right side? 

100

A bond in which atoms share electrons. 

What is a covalent bond? 

200

Particle of an atom with a negative charge. 

What is an electron? 

200

A molecule is the smallest unit of most ___________s

What is a compound?  

200

What the letter abbreviation of an element is called.  

What is the atomic symbol? 

200

This side of the periodic table contains mostly metals.  

What is the left side? 

200

A bond in which atoms give or take electrons.  

What is an ionic bond?  

300

Particle of atom with a positive charge. 

What is a proton? 

300

Compounds are made by chemically combining 2 or more of these.  

What are elements?  

300

This number determines the number of protons and/ or electrons in a neutral atom.  

What is the atomic number? 

300

If the element gold has 79 protons and 118 neutrons, this is the number of electrons.  

What is 79 electrons? 

300

An atom that has lost or gained electrons and has a + or - charge. 

What is an ion? 

400

Where protons and neutrons are found.  

What is the nucleus? 

400

This joins two atoms of elements in a molecule.  

What is a bond? 

400

This number is the mass of the protons and neutrons in an atom.  

What is the atomic mass? 

400

Is Hydrogen considered a metal or non-metal in Biology? 

What is a non-metal

400

This type of bond will dissolve/ disassociate in water.  

What is an ionic bond?  

500

Outermost electrons that participate in bonding.  

What are valence electrons? 

500
Glucose (a sugar) is represented by C6H1206.  This is the total number of atoms in this molecule.  

What is 24? 

500

This is how you determine the number of neutrons in an atom.  

What is the atomic mass minus atomic number? 

500

A metal like Sodium (Na) is most likely to react with an element from this part of the periodic table.  

What is a non-metal?  

500

This type of bond is strong and forms large molecules found in living organisms. 

What is a covalent bond?