The element with 26 protons.
What is Iron?
Oxygen.
What is an element?
The change of liquid water to gas.
What is a physical change?
This can not be created nor destroyed in the law of conservation of mass/matter
What is matter/mass?
The number of groups on the Periodic Table.
What is 18?
The element whose rounded atomic mass is 11.
What is Boron?
What is a heterogeneous mixture?
The burning of wood.
What is a chemical change?
The number of hydrogen atoms in the chemical formula H2O2.
What is 2?
The majority of elements on the periodic table.
What are metals?
The element with 7 protons, 7 electrons, and 7 neutrons.
What is Nitrogen?
Silver.
What is an element?
The luster of an object.
What is a physical property?
What is the number of atoms do not match on both sides of the equation?
These two types of substances are considered pure substances.
The element in group 12, period 4.
What is Zinc?
Pure air.
What is a mixture?
The reactivity of a substance.
What is a chemical property?
The number of oxygen atoms on the product side of the chemical equation H2O2--> H2O + O2.
What is 3?
The stair step on the periodic table separates these types of elements.
What are metals and nonmetals?
The element in group 17, period 5.
What is Iodine?
Brass.
What is a solid solution/homogeneous mixture?
The change of a solid to a gas.
What is a physical change?
The number of oxygen atoms on the reactant side of the chemical equation H2O2--> H2O + O2.
What is 2?
Mrs. Gannaway's biggest classroom rule.
What is respect?