A chemical substance present at the start of a chemical reaction is called?
Reactant
burned wood is an example of
Chemical Change
The periodic table of elements is divided into 3 categories, they are
Metals, Metalloids and Nonmentals
6CO2 contains
6 carbon atoms, 12 oxygen atoms
A change in the size, shape, or state of matter.
Physical change
_____________ refers to the way most metals can be stretched into wires.
Ductile
6CO2 + 6H2O contains how many elements
36
Kim puts an ice cube in a beaker and it melts. This is a good example of:
Physical Change
The way a metal’s surface reflects light is called ________________.
Luster
Fe2O3 has
2 Iron atoms, 3 oxygen atoms
How do you remeber all the signs for chemical changes?
City, Girls, Love, Their, Phone, On
Metals are found on the ______________ side of the periodic table.
Left
The equation follows law of conservation of mass?
C5H12 + 7O2 → 5CO2 + 6H2O
NO
Is bleaching your hair a physical or chemical change?
Chemical Change
Most metals are ____________ at room temperature.
Solid