Atomic Structure
The subatomic particle with the lowest mass
What is an electron?
Centimeters are the unit used to measure this quantity
What is length?
These pure substances are found on the periodic table
What are elements?
This piece of lab equipment is used to stir chemicals
What is a stirring rod?
The elements in the last column of the periodic table are named this.
What are noble gases?
A positively charged particle that identifies the element
What is a proton?
Mass is measured in this unit.
What are grams?
Elements chemically combine to create these pure substances.
What are compounds?
This piece of lab equipment is used to hold chemicals with a slightly pointed or rounded spout.
What is a beaker?
Columns in the periodic table are called this.
What are groups?
This part of the atom contains most of the mass.
What is the nucleus?
This is the equation for calculating the density
What is mass divided by volume?
Mixtures where the individual components cannot be seen are described as.
Homogeneous
This piece of lab equipment is used to measure the mass.
What is a balance?
Rows in the periodic table are called this.
What are periods?
Elements with the same number of protons and different numbers of neutrons
What is an isotope?
This is the unit of density
What is g/ml or g/cm3
Mixtures where the individual components can be seen are described as.
Heterogenous
This piece of lab equipment is used to hold chemicals and conduct reactions with a narrow neck.
What is a flask?
The rectangular portion of the periodic table is called this.
What are Transition Metals?
Who is Rutherford?
A substance with a mass of 4g and volume of 2ml will do this in water.
What is sink?
Changing the size or shape of a substance is described as this.
What is a physical change?
The starting materials are called this in a chemical reaction.
What are reactants?
The periodic table is mostly made up of this kind of element.
What are metals?