_____ is another name for homogeneous mixture

according to the law of conservation of mass, how does the mass of the products in a chemical reaction compare with the mass of the reactants?

weather an object will sink or float in a fluid is determined by _____

the law of conservation of mass states that in a chemical reaction ________

the iodine ion l- carries what type of charge?

the buoyant force on a object in a fluid is equal to the weight of the fluid displaced by the object. This statement is ________ principle/law

elements that lie along the stair step line of the periodic table _______

elements in groups 3 through 12 on the periodic table are called ________

a _____ is a material made up of two or more substances that can be separated by physical means

when one element replaces another element in a compound, the reaction is a _______ reaction.

the ability of metals to reflect light is referred to as _______

which 19th century english scientist offered proof that atoms existed?

different forms of the same element that have different properties because of different atom arrangements are called _______.

in chemical formulas, the number of atoms in a unit of the compound is shown by numbers called _____.

a group of atoms that acts together as one charged atom is a ______

the amount of energy needed to change a material form a liquid to a gas is the heat of _____

the breaking down of a substance into two or more substances is _______

the idea that the volume of a gas increases with increasing temperature provided the pressure does not change is the ______ principle/law

which form of energy is produced by an exothermic reaction?

metals can be used in wire because they are ______

A(n) ____ is a substance in which atoms of two or more elements are combined in a fixed proportion

the some of the oxidation numbers in a neutral compound is always ____

particles of matter that make up protons and neutrons are ______

A(n) _______ element is one in which the nucleus breaks down and gives off particles and energy

a gas like mixture with no define volume or shape that is made up of positively and negatively charged particles is a _______

a fluids resistance to flow is its ______

each substance to the right of the arrow in a chemical equation is a _______

a certain atom has 26 protons, 26 electrons, and 30 neutrons. its mass number is _____

the name given to the number of electrons an atom gains, loses, or shares is the ______

according to charles law, at a constant pressure, if the temperature of a gas ______, the volume ______.

matter in which the particles are free to move in all directions until they have spread evenly throughout their container is a ____

substances that prevent certain chemical reactions are called _____

the oxidation number of a atom is shown with a ____

a chemical ____ tells what elements a compound contains and the exact number of the atoms of each element in a unit of that compound

atoms of the same element with different numbers of neutrons are called ______

as the velocity of a fluid increase, the pressure exerted by the fluid decreases. This statement is ______ principle/ law

what is the name of the energy that is required to start a chemical reaction?

how many electrons are needed in the outer energy levels of most atoms for the atom to be chemically stable?

the only metal that is liquid at room temperature is _____.

the ______ of an element is the number of _____ in the nucleus of an atom of that element

A substance that speeds up in a chemical reaction without undergoing a permanent change itself is a(n) _______.

Matter in which particles are arranged in repeating geometric patterns is a ______

The supporting force exerted by a fluid on an object immersed in it is called _____.

1. _____ is the increase in the size of a substance when the temperature is increased. 

When bonds form in a chemical reaction, energy is _____

The SI unit of pressure is the _____

1. A ____ is a characteristic of a substance that indicates whether it can undergo a certain chemical change. 

The particles that make up a solid move ____ than do particles that make up a gas.

1. A ___ is NOT homogeneous. 

What kind of chemical bond is formed when electrons are transferred from atom to atom? _____

1. A chemical ____ is the force that holds atoms together in a compound.

1. Binary compounds are composed of ___ atoms 

The amount of energy needed to change a material from the solid state to the liquid state is the heat of ______

The atomic number of manganese is 25; its mass number is 55.  How many neutrons does an atom of manganese have in its nucleus? ____

Hydrogen is grouped with the alkali metals because it  has one ____

The process by which a solid changes directly to gas without first becoming a liquid is called ____

1. When metals combine with nonmetals, the atoms of the metals tend to lose electrons, forming ___ bonds. 

Each energy level of an atom has a maximum number of _____ it can hold.

The temperature at which a solid begins to liquify is its _____ point.

Bernoulli’s principle explains why ____

he bonding that occurs when positively charged ions are surrounded by a cloud of electrons is called _____

What is an insoluble solid that forms as the result of a double displacement reaction called?

Dot diagrams are used to represent ______

The Law of Conservation of Mass states that ______

Which of the following is a chemical change?

The _____ is a chart created by scientists to organize the elements according to repeated changes of the properties.

A chemical reaction in which two or more substances combine to form another substance is a ____ reaction.

1. A ____ is a way to describe a chemical reaction using chemical formulas and symbols. 

1. All synthetic elements are ________

1. A complex ion is an ion _________

1. The nucleus of an atom is _____ charged. 

Pressure is defined as _____

Compounds which are hydrates contain what  attached to them?

A chemical reaction in which the energy released is primarily in the form of heat is _____

When two or more substances are combined so that each substance maintains its own properties that result is a(N) _____

1. The attraction that forms between atoms when they share electrons is known as a(n) _____ bond. 

1. A(n) ______ is a substance in which all atoms in it are alike. 

1. A change in size, shape, or state of matter is a ______.

1. Pressure applied to a fluid is transmitted unchanged throughout the fluid.  This statement is ______ principle/law.

Matter that has definite volume but no definite shape is a ____

A change of one substance to another is a_____

Ten grams of mercury (II) oxide reacts to produce 9.3 grams of mercury and oxygen.  What is the mass of the oxygen produced? 

1. _______ is the energy an object has due to its motion. 

Each substance on the left side of the arrow in a chemical equation is a ____

When elements form bonds, it changes their _____ properties.

three examples of physical changes

The smallest piece of an element that still retains the properties of the element is a(n) 

        _____

A ______ is a heterogeneous mixture that never settles. 

A charged particle is known as a(n) ______

The most common state of matter in the universe is _____

Matter with no definite volume and no definite shape is a _____

A characteristic of a material that can be observed without changing the identity of the    

         material is a _____

 The scattering of light by colloids is called ______

Why do noble gases NOT form compounds readily? 

 According to Boyle’s law at a constant temperature, if the volume of a container of gas is 

        doubled the pressure of the gas will _____

The ______ of an atom is the number of neutrons plus protons.