Are a Diet Coke and Mentions explosion a chemical reaction? Why?
YES!!! it is a chemical reaction because it is forming a new substance that cannot be changed back to the original form.
Where on the periodic table is Zinc (Zn)?
It is located at 12,4
True or False: Silicon (Si) is a Metalloid
TRUE!!! Silicon is a Metalloid
what is the formula for density?! Is it a chemical or physical property?!
MASS/VOLUME!!! It is a chemical trate
what does H2O mean?! How many things are in it?!
It is water and there are 2 things in it
Is clipping your toenails is a chemical change?!
NO, IT IS NOT A CHEMICAL CHANGE!!! It is a physical change because it can be changed back by growing back.
where on the periodic table is Sodium (Na)?!
It is located at 1,3!!!
True or False: Helium (He) is a metal
FALSE!!! Helium is not a metal, it is a Non-metal
what are physical properties?!
Something that can be observed without changing the substance!!
what does NaCl mean?! How many things are in it?!
It is salt and there are 3 things in it!!!
Is dissolving sugar in boiling water a chemical change?!
YES IT IS, because it gets rid of the sugar and it is very hard to get back to normal
Where on the periodic table is Ruthenium (RU)?!
It is located at 8,5
True or FALSE: Uranium (U) a Metal?!
TRUE!!! It is a Metal
What is an example of chemical properties?!
Flammability!!!
what is NaHCO3?! How many things are in it?!
It is Baking soda and there are 4 things in it!!!
Is cutting your hair a chemical or physical change
It is a physical change because it does not make a new substance.
where on the periodic table is Gallium (Ga)?!
It is located at 13,4
True or FALSE: Hydrogen (H) is non-metal?!
TRUE!! It is a non-metal
What is an example of a physical property?!
Brittleness/Brittle!!!
What is H2O2?! What is in it?!
It is Hydrogen Peroxide and there are 2 things in it
boiling water a chemical or physical change?! WHY?!
it is a physical change because it is not a new substance
where on the periodic table is Hassium (Hs)
It is located at 8,7
True or FLASE: Chromium is a Metal?!
TRUE!!! It is a Metal
What are chemical properties?!
the ability to react with another substance and make a new substance
what is C8H18?! How many things are in it?!
It is Octane and there are 2 things in it!!!