Structure of an Atom
A Proton is found in the ___________ of the atom and has a _______ charge.
Nucleus
Positive
What is the formula for Density?
M/V=D
Is the following an Element, Molecule, or a Mixture?
O
Element
Each element has its own unique ones of these- contains Protons, Neutrons, Electrons and have their own unique atomic numbers and masses
Atoms
What is the atomic # of Silver
47
What does the Atomic Number tell you about an Atom
How many Protons it has
"Boiling/Evaporating" a substance turns it from a ______state into a _______state
Liquid into a Gas
Is the following a Pure Substance?
CO₂
Yes, it is a molecule of a Carbon Dioxide- a pure substance
What are the two types of molecular structures discussed in class?
Crystalline & Amorphous
126.904 is the ________ of Iodine
Atomic mass
What type of charge does a Neutron have? Where is it located?
Neutral/No charge
Nucleus
Which one of these IS NOT a physical property
-Mass, Density, Color, Odor, Flammability, Texture
Flammability
Correctly identify each of the elements in the molecule and list how many TOTAL ATOMS are in the molecule
-Double points if you can correctly identify the molecule
C₆H₁₂O₆
24 total atoms
These types of elements have these characteristics
-Not ductile/malleable, not shiny, generally not found in a solid form at room temperature, in Groups 14-18
Nonmetals
Each row on the periodic table is called a _________ and each vertical column is called a _________
Period, Group
How many Protons would the element "Phosphorous" have?
15
Calculate the density of a 50g rock that has a volume of 10cm^3
5g/cm^3
In a Dehydration Synthesis reaction, what is lost in order to bond two of the same molecule?
What is Valence?
Valence is the number of other atoms that 1 atom can bond with
Ex: Carbon has a valence of 4
How can the periodic table help predict elements that might be missing?
-Each element has a unique atomic mass & #
-Sorted by electron shells, Groups/Chemical properties, Metals vs nonmetals
How many electron shells does Radon have?
6
Look at the two beakers of water: What does the water have in common?
Density
Identify each component of the formula, say whether they're a pure substance or not, if the whole structure is a pure substance, and explain why.
NaCl+H₂O
-Salt/Sodium Chloride + Water, both are pure
-Not a pure substance as a whole
A pure substance cannot be made of two or more molecules, only a single element or 1 molecule
What is the name of the group are the farthest right of the periodic table
Noble Gases
How many electrons and electron shells would Chlorine have?
-17 electrons
-3 shells