Chemical Symbol
What element has the chemical symbol "Fe"?
Iron
What is the atomic number of Oxygen?
8
What type of chemical bond involves one element "stealing" an electron from another element?
Ionic
Decomposition Reactions
Rusting requires the presence of both oxygen and this liquid.
Water
Name the four elements within the main molecule in chocolate: C7H8N4O2
Carbon, Hydrogen, Nitrogen and Oxygen
The number of protons in an atom defines this property.
Atomic Number
What type of bond forms between two (or more) non-metals?
Covalent
When hydrogen gas reacts with oxygen gas in a synthesis reaction, it forms this life-essential compound.
Water
Cars are often coated with this metal to prevent rust, in a process called galvanising.
Zinc
How many elements (in total) make 1 molecule of C7H8N4O2
7 + 8 + 4 + 2 = 21
How many electrons does Boron have?
5
Methane is a compound found in farts and smells like rotten eggs. Its chemical symbol is CH4. What type of bond holds the Carbon and Hydrogen Together?
Covalent
This property of metal determines whether it will cause a displacement reaction.
Reactivity
This gas makes up about 78% of Earth’s atmosphere.
Nitrogen
Table salt is made from two elements: Na and Cl. Together, they form this compound.
Sodium Chloride
Calcium (atomic number 20) is in Group 2 of the periodic table because it has this many electrons in its outer shell.
2
What type of bond forms between a metal and non-metal?
Ionic
A + B --> AB represents what type of reaction?
Synthesis
This metal is used in wiring because it conducts electricity well and is relatively inexpensive.
Copper
The lightest metal, used in phone batteries, has the symbol Li. It is part of this group of rechargeable batteries.
Lithium
How many protons does Arsenic have?
33
Name the three different types of elements found on the Periodic Table.
Non-Metals, Metalloids and Metals
What type of reaction is CaCO3 --> CaO +CO2
Decomposition
The bubbles in soft drinks come from this compound, which dissolves in water under pressure.
Carbon Dioxide