The smallest particles that still have unique properties and cannot be split any smaller has been given this name.
What is an element?
100
Aluminum is pounded into thin sheets to make aluminum foil you use in cooking. This represents this physical property.
What is malleability?
100
This is the Electron-Dot diagram for Carbon.
Answers will vary.
100
On the periodic table for any element, you can often find the atomic number, atomic mass, the name of the element, and this.
What is the atomic symbol?
100
This group of neutral elements have a full stable octet, and they go by this name.
What are noble gases?
200
The forces between particles are relatively weak for this state of matter.
What is gas?
200
Mixing two clear and colourless liquids gives a bright yellow and opaque liquid, which hints at this type of change.
What is a chemical change?
200
This is the Bohr-Rutherford diagram for Neon.
Answers will vary.
200
The periodic table, as we know it today arranged by the number of protons, was developed by this Russian chemist.
Who is Dmitri Mendeleev?
200
If an ion has 25 protons, 30 neutrons and 19 electrons, the ion has this charge.
What is +6?
300
Steel, apple juice, and air are all examples of this type of mixture.
What is a solution/homogeneous mixture?
300
A gas changing to a liquid is called condensation. This process is this type of change.
What is a physical change?
300
This is the Bohr-Rutherford Diagram for Potassium.
Answers will vary.
300
Metals and non-metals are separated on the periodic table by these elements that have properties of both metals and non-metals.
What are metalloids?
300
(NH4)2O is made up of this many atoms in total.
What is 11? N = 2, H = 8, O = 1
400
The strength of the forces between particles in a solid are this.
What is very strong?
400
Burning wood at a campfire is this type of chemical property.
What is combustibility?
400
This is the Electron-Dot diagram for Iodine.
Answers will vary.
400
Alkali metals are found in this group number.
What is Group 1?
400
This scientist came up with the billiard ball model of the atom in the 1800s.
Who is John Dalton?
500
Particle theory rests on four main postulates: 1. All matter is made up of particles, 2. All particles are the same for a pure substance, 3. All particles exhibit an attractive force, and 4. this...
What is "All particles are always in motion"?
500
This is the technical term of a solid that forms during a chemical change.
What is a precipitate?
500
The Electron-Dot diagram for all the Alkali Earth metals should have this many dots around the element symbol.
What is 2?
500
Group 17 goes by this name.
What is a halogen?
500
***DOUBLE JEOPARDY*** Carbon will become this charge when reacting with Chlorine.