States of Matter & KMT
Density & Measurement
Atomic Theory & Subatomic Particles
Classification of Matter
Properties & Changes
100

This state of matter has particles that vibrate in place and are held together by strong attractive forces in a rigid structure.

Solid

100

This is the formula used to calculate density.

Density = mass/volume

100

This scientist proposed that all matter is made up of tiny, indivisible particles called atoms.

Dalton

100

This type of matter is made up of only one type of particle and cannot be broken down into simpler substances.

Element

100

This type of property can be observed without changing the chemical composition of matter.

Physical property

200

According to KMT, adding this to matter causes particles to move faster and farther apart.

Energy

200

This method is used to measure the volume of irregularly shaped objects by submerging them in fluid.

Displacement

200

This subatomic particle has a negative charge and moves around the nucleus in energy shells.

Electron

200

This type of mixture allows you to visually distinguish between different components.

Mechanical mixture

200

This type of change produces new substances with different properties.

Chemical change

300

This phase change occurs when a solid gains enough energy to skip the liquid state and turn directly into a gas.

Sublimation

300

If an object has a density less than water (1.00 g/mL), it will do this in water.

Float

300

This scientist's gold foil experiment led to the discovery of the nucleus.

Rutherford

300

This type of pure substance consists of two or more elements chemically joined in a specific ratio.

Compound

300

Formation of gas bubbles, temperature change without heating, and change in color are examples of these.

Indicators of chemical change

400

This state of matter, found in the Sun and lightning, consists of positively and negatively charged particles.

Plasma

400

The units commonly used to express density for solids and liquids.

g/cm³ and g/mL

400

These two particles are found in the nucleus and have a mass of approximately 1 atomic mass unit each.

Protons and neutrons

400

This type of mixture appears uniform and you cannot distinguish the different components with the naked eye.

Solution/homogenous mixture

400

This chemical property describes a material's ability to catch fire and burn in air.

Combustibility

500

When energy is removed from a gas, particles slow down and move closer together until this phase change occurs.

Condensation

500

This substance is an exception to the rule that most substances are more dense in solid form than liquid form.

Water (ice)

500

This scientist proposed that electrons occupy specific energy levels or shells around the nucleus.

Bohr

500

These can be separated by physical changes and are made up of different particles mixed together but not chemically joined.

Mixtures

500

This type of property can be measured numerically, such as boiling point, melting point, or density.

Quantitative property