A measure of Earth's gravity acting on the matter of the object.
What is weight?
100
The neutral subatomic particle in an atom.
What is a neutron?
100
The majority (about three-fourths) of elements are these.
What are metals?
100
A combination of two or more substances.
What is a mixture?
100
The SI Base Unit for temperature.
What is Kelvin?
200
A measure of the amount of matter in an object.
What is mass?
200
The nucleus is made up of these.
What are protons and neutrons?
200
Columns in the Periodic Table are know as these.
What are families (or groups)?
200
The process of mixing by particle motion.
What is diffusion?
200
The abbreviation for the SI base unit for mass.
What is kg?
300
The space enclosed or occupied by an object (sometimes calculated as lwh).
What is volume?
300
The number of protons (which is the same as the number of electrons) in an atom.
What is atomic number?
300
The modern Periodic Table is organized by this.
What is Atomic Number?
300
Data in the form of numbers that describes any information from measurements.
What is quantitative data?
300
The metric prefix for trillion.
What is tera-?
400
The amount of matter (mass) of the substance contained in a specific volume.
What is density?
400
The Mass Number is the total number of these in an atom.
What are Protons and Neutrons?
400
Elements such as sodium and potassium belong in this group of highly reactive elements (especially with water!).
What are Alkali metals?
400
Color, density, texture, and physical state are all examples of this.
What is a physical property?
400
The meaning for 10 to the -2 power? (10^-2)
What is is hundredth?
500
The density of a block that has a mass of 100g and a volume of 25mL.
What is 4 g/mL?
500
Elements release specific colors when heated. This makes fireworks so bright!
What are atomic emissions?
500
The elements in this family are the most stable and never want to share.
What are the noble gases?
500
A change in a substance that affects the electron structure of its atoms, the arrangement of its atoms, what kinds of atoms are present, or their rations.