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Properties of Matter
Atomic Structure
Chemical Bonds
Mixtures
Random
100
Anything that has mass and takes up space.
What is matter?
100
A subatomic particle that has a positive charge and that is located in the nucleus of an atom
What is a proton.
100
Bonds that form when electrons are transferred from one atom or molecule to another.
What is an ionic bond?
100
A combination of two or more substances that are not chemically combined.
What is a mixture?
100
A substance made up of atoms of two or more different elements joined by chemical bonds.
What is a compound.
200
Characteristics that can be observed without changing the composition of the substance.
What are physical properties?
200
A subatomic particle that has a negative charge.
What is a electron.
200
The forces that hold together the atoms in molecules are called.
What are chemical bonds.
200
A mixture in which two or more substances are uniformly distributed.
What is a homogeneous mixture?
200
The amount of matter in any object.
What is mass?
300
Characteristics that describe how a substance reacts with other substance to produce different substances.
What are chemical properties?
300
A subatomic particle that has no charge and that is located in the nucleus of an atom.
What is a neutron.
300
A bond formed when atoms share one or more pairs of electrons.
What is a covalent bond?
300
A mixture in which two or more substances are not uniformly distributed.
What is a heterogeneous mixture?
300
Elements on the periodic table are arranged in columns, which are called...
What are groups?
400
A substance that cannot be separated or broken down into simpler substances by chemical means.
What is an element?
400
The protons and neutrons of an atom are packed close to one another in what is called the...
What is the nucleus.
400
A covalent bond in which the bonded atoms have an unequal attraction for the shared electrons.
What is a polar covalent bonds.
400
A homogeneous mixture throughout which two or more substances are uniformly dispersed.
What is a solution?
400
Numbers in front of chemical formulas.
What are coefficients?
500
The smallest unit of an element that maintains the chemical properties of that element.
What is an atom?
500
The sum of the number of protons and neutrons in an atom.
What is the atomic mass.
500
A group of atoms that are held together by chemical forces.
What is a molecule.
500
A solution composed of two or more metals.
What is an alloy?
500
An atom or molecule that has gained or lost one or more electrons and has a negative or positive charge.
What is an ion?