Atoms
What particle has a positive charge?
Proton
How many atoms are in O₂?
2 Oxygen Atoms
What is an extended structure?
A structure made of atoms or particles arranged in a repeating pattern.
What is matter?
Anything that has mass and takes up space.
Name one type of matter found in Barrow.
Ice, snow, water, or air
Name the three main particles in an atom.
Proton, Electron, & Neutron
What elements are in CO₂?
Carbon & Oxygen
Which substance forms a repeating crystal structure?
Salt (NaCl)
What are the three common states of matter?
Solid, liquid, and gas.
Why is ice considered matter?
Ice is matter because it has mass and takes up space.
What is an atom?
An atom is the smallest unit of an element that keeps the properties of that element.
How is a molecule of O₂ different from CO₂?
O₂ has two oxygen atoms; CO₂ has one carbon atom and two oxygen atoms.
How are atoms arranged in an extended structure like salt or diamond?
Atoms are connected or arranged in a repeating pattern.
Why is air considered matter even though we cannot see it?
Air has mass and takes up space.
How can you observe different states of matter in Utqiaġvik? Give two examples.
ce/snow = solid; ocean water = liquid; water vapor = gas.