Combustion
What is a hydrocarbon?
a substance made from only hydrogen and carbon
What do we call a vertical column in the periodic table?
group
What is the ratio of titanium to oxygen in the following compound: TiO2
Ti:1 ; O:2
This kind of weathering is due to plant roots growing in cracks
biological weathering
What page is the reactivity series on?
pg 107
hydrocarbon + oxygen →
carbon dioxide + water
sulfuric acid + lithium hydroxide → __________ + water
lithium sulfate
What is an alloy?
metals mixed with other metals/elements
What are all rocks made out of?
mineral grains
Where is teacher Amy from?
South Africa
What is an exothermic reaction?
a reaction that releases energy we can feel as heat
What is a proton?
a particle found in an atom with a positive charge
What is the chemical formula for sulfuric acid?
H2SO4
What rocks form from magma cooling slowly? Name the type
intrusive igneous
Is it physically possible for you to lick your elbow
For over 99% of people, it is physically impossible to lick their own elbow due to human anatomy
What is thermal decomposition?
breaking down a compound using heat
What do all elements in the same group have in common?
similar chemical properties / same number of outer electrons
sodium + water → ________ + ________
sodium hydroxide + hydrogen
What is the property of rocks that allows water to flow through?
permeable
Who is our school named after?
Sir Isaac Newton
What is the greenhouse effect?
The warming effect on Earth's surface caused by greenhouse gases trapping energy from the warm Earth's surface in the atmosphere
halogens react with alkali metals to form _____
The melting point of a pure metal is an exact value. What is the melting point of an alloy?
over a range of temperatures
What is the difference between weathering and erosion?
weathering: rocks broken up by physical/chemical/biological processes
erosion: movement of loose and weathered rock
What is Bangkok's full name in Thai?
Krung Thep Mahanakhon Amon Rattanakosin Mahinthara Ayuthaya Mahadilok Phop Noppharat Ratchathani Burirom Udomratchaniwet Mahasathan Amon Piman Awatan Sathit Sakkathattiya Witsanukam Prasit
กรุงเทพมหานคร อมรรัตนโกสินทร์ มหินทรายุธยา มหาดิลกภพ นพรัตนราชธานีบูรีรมย์ อุดมราชนิเวศน์มหาสถาน อมรพิมานอวตารสถิต สักกะทัตติยวิษณุกรรมประสิทธิ์