According to the law of conservation of mass, if two atoms of Hydrogen are used as a reactant, how many atoms of Hydrogen must be part of the product?

The electromagnetic wave with wavelengths slightly longer that visible light are?

In soda pop, the solvent would be the

What is baking soda considered?

Each substance written to the right of the arrow in a chemical reaction is a

Each substance to the left side of the arrow in a chemical reaction is a

The frequency of yellow light is ____ than that of purple light.

An allotrope of carbon that is soft and can be used as a lubricant is____.

An example of a balanced chemical equation is

A substance that does NOT conduct an electric current when it forms a solution is a (n)

In the diagram, the crest of the wave is shown by

The low point on a wave is called

The burning of wood in a campfire that produces heat and light would be both an____ and an ____ reaction

A solution that contains all the solute it can at a given temperature is called______

Electromagnetic waves are produced by ______.

The Noble gases are in ____.

When light is reflected from a surface, as the angle of incidence increases, the angle of reflection______.

Three examples of physical changes are _______.

What two elements are used with other metals to lower their melting points?

Synthetic elements are found in which of the following groups?

If you pass a building with a siren sounding, as you move away from the building, the sirens will sound______.

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

Substances that conduct an electric current only under certain conditions are most likely to be _______.

The following are examples of physical properties EXCEPT______.

Dot diagrams are used to represent ________.

A vibrating electric charge produces a(n)_____.

When most chemical reactions take place, some _____in the reactants must be broken, a process that requires energy.

A family of elements that contains the most reactive metals is the________.

The speed of sound in wood is ____ the speed of sound in water.

Which chemical equation is balanced?

A solution that contains all of the solute it can hold at a given temperature is______.

A group of covalently bonded atoms that act together as one charged atom is a __________.

The concentration of a solution that contains a large amount of solute in the solvent could be described as ____.

Substances that prevent, or slow down, chemical reactions are called

The scattering of light by colloids is called

More solute can be dissolved in a _____ solution:

Aspartame is an artificial sweetener; it's formula is C₁₃H₁₆N₂O₅. Which element in the formula has the largest number of atoms?

Which region contains the halogen family of elements?

Which of the following elements will likely form a negative ion in its ionic compounds?

______ are used for medical imaging.

The energy a wave carries is measured by its _______.

In the compound, H₂O, the electrons in the bonds are unequally shared between oxygen and hydrogen, forming

A(n) _____ chemical equation has the same number of atoms of each element on both sides.

In general, metals are

In general, nonmetals are______.

Which category of elements have the property of being malleable and ductile?

__ bonding, positively charged metallic ions are surrounded by a cloud of electrons.

All synthetic elements _____.

The phase change in which a substance changes from a gas directly to a solid, or changes from a solid directly to a gas is

The phase change in which a substance changes from a gas directly to a solid, or changes from a solid directly to a gas is