This Russian Chemist and teacher developed a way to classify elements into what is now known as the periodic table.
Who is Dimitri MendeleeV?
This is anything with mass and takes up space.
What is matter?
The amount of matter in an object.
What is mass?
These elements found in Group 17 of the periodic table can form salt when reacting with metals.
What are halogens?
The ability of matter to carry along, an electric current.
What is conductivity?
Elements were originally organized by this atomic property, in which the amount of matter in an object is measured.
What is atomic mass?
This particular matter can vary in composition.
What is a mixture?
The amount of space something takes up.
What is volume?
This group 14 non-metal is the only one of its kind. It is solid and found in most of the compounds that make up living things.
What is carbon?
The ability of a metal to reflect light.
What is luster?
This term related to the periodic table means, "repeating pattern"
What is periodic?
This is a substance that has one type of atom.
What is an element?
This is known as mass per unit volume of a substance.
What is density?
These group 18 elements, are non reactive, and are only reactive under special conditions within a laboratory.
What are noble gases?
This property is when a substance conducts electricity at high temperatures, but not at low temperatures.
What is a semiconductor?
In the early 1900's Henry Moseley reorganized the periodic table using this number.
What is the atomic number?
Matter with a composition that is always the same.
What is a substance?
A change in size shape, form or state of matter in which the identity stays the same.
What is a physical change?
Silicon is an element found in this group. These elements have physical and chemical properties of both metal and non-metals.
What are metalloids?
The ability of a substance to be hammered or rolled into sheets.
What is malleability?
After ordering the periodic table by atomic number it was found that elements with the same properties are found to be located in the same column or this.
What is a group?
This is a type of substance containing atoms of two or more different elements chemically bonded together.
What is a compound?
Chemical changes used to form new substances can be shown using this.
What is a chemical equation?
These elements have no metallic properties.
What are non-metals?
The ability to be pulled into thin wires.
What is ductility?