Miscellaneous
Mixtures and Pure Substances
Atoms and Elements
Molecules and Compounds
Periodic Table
100
Sugar is composed of carbon, hydrogen, and oxygen. Sugar is an example of this.
What is a compound?
100
The two types of mixtures.
What are heterogeneous and homogeneous mixtures?
100
The smallest unit of an element that still has the properties of that element.
What is atom?
100
Sodium and Chlorine react strongly to form NaCl. This is the smallest unit of NaCl that still retains the properties of NaCl.
What is a molecule of NaCl?
100
The two names for the columns in a periodic table.
What is group and family?
200
What is the name of the element with the symbol: Fe
What is iron?
200
Identify which is the mixture: salt, rust, air, water.
What is air?
200
Identify the atom: Hafnium (Hf), Carbon Monoxide (CO), water, air.
What is Hafnium?
200
The force that holds two atoms together.
What is chemical bond?
200
The number of protons is identified by this.
What is the atomic number?
300
The 2 parts that are located in the nucleus of the atom
What is protons and neutrons?
300
Identify the Pure substance- sand, air, phosphorus, ocean water
What is Phosphorus?
300
The reason atoms are typically neutral.
What is # of protons (+) = # of electrons(-)?
300
Chemical formula's tell you these two pieces of information:
What are the names of elements and the number of atoms?
300
The chemical symbol for Tin.
What is Sn?
400
The most reactive family of elements on the periodic table.
What is Alkali metal group (group 1)?
400
This substance can be separated into several elements: lithium, sulfur, sugar, tin
What is sugar?
400
The maximum number of electrons allowed in the 2nd energy level.
What is 8?
400
The particles involved in a chemical reactions are _____.
What are (valence) electrons?
400
The names of the two groups of elements that appear below the periodic table.
What is lanthanides and actinides?
500
In Dalton's Atomic Theory, all atoms of the same element are ___________.
What is all atoms of the same element are exactly alike and have the same mass?
500
Pure substance or mixture-Salt granules dissolving in water
What is an example of a mixture?
500
Elements in the same ________________ in the periodic table have the same properties.
What is group or family?
500
The number of atoms in the compound CaCO3
What is 5?
500
Mendeleev's table periodic table was arranged by this.
What is atomic mass?
M
e
n
u