Atoms
The basic unit of a chemical element
What is a substance?
The ability to do work or make change happen
What is energy?
The variable in an experiment that is changed/ controlled
What is an independent variable?
Elements in groups 3-12 of the periodic table
What are transition elements?
A particle in an atom's nucleus with a positive charge
What are protons?
What is a homogeneous mixture?
The energy of a moving object
The variable in an experiment that is measured and is affected by the independent variable
What is a dependent variable?
Elements in groups 1-2, 13-18 of the period table
What are representative elements?
A particle that orbits an atom's nucleus and has a negative charge
What are electrons?
A mixture with a non-uniform composition
What is a heterogeneous mixture?
The energy of electric charges
What is electrical energy?
A chart that represents qualitative data with rectangular bars
What is a bar graph?
Element with six electrons
What is Carbon?
A particle in an atom's nucleus with a neutral charge
What are neutrons?
A heterogeneous mixture where particles settle over time
What is a suspension?
Energy carried by light
What is radiant energy?
A graph that shows data in a circular format, also known as a pie chart
What is a circle graph?
What is Tungsten?
A mixture where small particles are evenly distributed but do not dissolve
What is a colloid?
Energy stored in an atom's nucleus
What is nuclear energy?
A graph showing quantitative data, looks similar to a bar graph
What is a histogram?
The chemical formula for salt
What is NaCL (sodium chloride)?