Periodic Elements
The Element H
Hydrogen
What is found within the nucleus?
protons and neutrons
Columns on the periodic table are called
Groups
A + B ---> AB
Synthetic Reaction
A compound is a type of what?
pure substance
The element As
Arsenic
An atom is neutral when
the number of protons and electrons are the same
The only exception to the rule that non-metals are on the right-hand side
Hydrogen
What is needed in the blank to balance this equation:
4 Na + 1 O2 ---> __ Na2O
2
Madeeha's favourite sport is
Hobby Horsing
The atomic number of Oxygen
8
If the element nitrogen gains three electrons, it has an ionic charge of
-3
Elements in group 16 have a charge of what
2-
AB + BC ---> AC + BD
Double Displacement Reaction
The WHMIS symbol that looks like an O with flames on top stands for what
Oxidizing material
How many valence electrons does Phosphorus have?
5 valence electrons
An atom becomes this type of ion when it loses electrons
cation ion
Elements from group 15 will have how many dots in their neutral state using the Lewis Dot diagram
5
Fe2O3 is called Iron Oxide, and also known as
Rust
When someone takes an antacid to help with heartburn or indigestion, the reaction taking place is called
Neutralization Reaction
An atom has 13 protons, 14 neutrons, and 13 electrons when neutral, what element am I?
Aluminum
Magnesium has an atomic number of 12. What ion does it usually form?
Mg2+
True/False - If the element Flourine loses an electron, it will have a charge of 1+
False - Flourine is a non-metal so it gains electrons
Name an example of a hydrocarbon
Acetane
Butane
Propane
Ethane
What is one example discussed in class of a beneficial type of corrosion
Aluminum Oxide
Patina on Copper and Bronze
Chromium Oxide in Stainless Steel