Matter and Its Properties
Matter is anything that takes up these two things
what is mass and space
These are the three states of matter.
This is the building block of matter
What is the atom.
Name one thing that can increase the rate of a chemical reaction.
What is higher temperature, increased concentration, surface area (if one reactant is a solid), or catalyst.
Chemical bonds contain this form of energy.
What is chemical energy.
Give an example of something that does NOT have matter.
what is light, sound, force, energy.
___________ must be added to a substance to change it from a liquid to a gas or solid to a liquid.
What is energy.
This is where electrons live in the cell.
What is the electron cloud.
An isotope is one of two or more atoms that has the same number or protons but different number of this.
What are neutrons
Chemical reactions that absorb more energy than they release are called _________.
What is endothermic
Give one example of a physical property
what is temperature, size, mass, volume, density, solubility, melting point, boiling point, magnetism, malleability, etc.
When a substance changes from a liquid to a gas, this stays the same. (Density, Volume, Mass, Gravitational Pull)
What is mass.
These are the two main classifications of matter.
What are substances and mixtures.
An ion is an atom that has an electrical charge because it has lost or gained this.
What are electrons
This is the term for the minimum amount of energy needed to start a chemical reaction.
What is activation energy.
The strength of the attraction between particles depends on this.
The law of conservation of mass states that the total mass before a chemical reaction is the same as ___________.
What is total mass after a chemical reaction
This is another name for the number of protons on a cell.
What is the atomic number
In a chemical equation, this is what we call the formula on the right side of the arrow.
What is the product.
What is an inhibitor.
The density of a rock is __________ if its mass is 30g and its volume is 5mL.
This is the person that discovered mass is conserved during a chemical change.
Who is Antoine Lavoisier.
This is the name for a substance that consists of just one TYPE of atom.
What is an element.
When balancing equations we place numbers in front of the formulas. These numbers are called _______.
What are coefficients or multipliers
This is one way catalysts increase the reaction rate of a reaction.
What is they encourage particles to contact each other more often.