Chemistry-Energy and Matter Grade 9 Vocabulary Quiz

Chemistry-Energy and Matter Grade 9 Vocabulary Quiz

This quiz is a basic vocabulary test, based off of material in the grade 9 Science Focus textbook. (9-3)

published on November 11, 20122 responses 0 5.0★ / 5

Any substance that stops or slows a chemical reaction.

Any one orbital of an atom around which electrons are found.

A molecule, consisting of two atoms.

The coating of a substance with a thin layer of metal by means of electroplating, to prevent corrosion.

The production of water and salt, from the combination of an acid and a base.

A natural protein that has catalytic properties.

Smallest units of matter, that act as the building blocks of our world.

the naming system of chemical compounds, that includes two other sub-categories of naming.

neutrally charged part of an atom, that carries an atomic mass of 1.

The breaking down of a substance, in reaction to its surroundings.

Vertical column in the periodic table of the elements, that contains elements with similar properties.

The number equal to the number of protons in an elements atom, that determines that element's chemical properties.

A substance that increases the rate of a chemical reaction, without being consumed in the process.

The law stating that the total mass of the reactant will equal the total mass of the product.

The law stating that the amount of energy in a chemical equation stays the same from reactant to product.

Branch of natural science. (deals with the composition of substances).

The theory stating that atoms are indestructible and indivisible, the mass of all atoms of a single element have the same mass, compounds are formed by two or more atoms, and that chemical reactions are a rearrangement of the atoms in a substance.

A change in a substance resulting in the alteration of one or more of its physical characteristics.

A homogeneous mixture, formed from the dissolving of substances into one another. (Can be solid, liquid, or gas).

The substance that reacts in a chemical reaction to create the product.

a compound of carbon and hydrogen atoms that is often found in products such as gasoline and propane.

Negatively charged part of an atom

A compound containing only two elements.

Any element found in group 17 of the periodic table of the elements, that combine with a metal to form a salt

Any element found in group 2 of the periodic table of the elements.

A substance made from only one type of atom.

The chemical change as a result of passing an electrical current through a substance.

The simplest chemical substance that cannot be further broken down by chemical means.

A reaction that gives off energy in the form of heat.

The horizontal rows of the periodic table of the elements that indicates the amount of energy levels in an elements atom.

Any substance to the right of the "staircase" on the periodic table of the elements.

A compound that conducts electricity, made from a metal and a non-metal.

The time it takes for any given reaction to take place.

The soft, light, reactive metals, found in group 1 of the periodic table of the elements.

The release of CO2 and H2O, due to a chemical compound being exposed to pure oxygen.

(in grade 9 chemistry) the ability to conduct electricity.

a well-combined, uniform mixture.

Two or more atoms held together in a covalent bond.

The characteristic of a substance to be positively or negatively charged.

The inert gases of group 18 of the periodic table of the elements.

A series of symbols that tell you if a substance is hazardous, and how.

Combined elements in a fixed chemical bond.

The substance created by means of a chemical reaction.

Any substance near, or around the "staircase" on the periodic table of the elements. (They have the characteristics of both a metal and a non-metal).

The substances shown on the left side of the "staircase" on the periodic table of the elements.

The positively charged centre of the atom.

The group that establishes the official names for all chemical elements and compounds.

A chemical compound of hydrogen and oxygen atoms, that can create a basic substance.

Tabular chart of chemical elements according to their atomic number.

Any substance with a pH reading higher than 7, with the ability to neutralize an acid

The number that indicates the amount of a chemical or chemical compound in a chemical equation.

A separated non-uniform mixture.

A change in a substance resulting in the creation of an entirely new product.

A type of drawing that depicts the atom as a small positively charged nucleus, surrounded by negatively charged electrons.

A regular 3D geometric arrangement of particles.

The weighted average of the masses of all isotopes of an atom.

positively charged part of an atom

The negative ion of hydrogen, (which can have a positive or a negative charge).

Has the ability to burn or corrode organic tissue/material.

A substance that cannot conduct electricity in any state of matter.

A compound that does not conduct electricity, composed of two non-metals.

A substance that changes colour in reaction to coming in contact with either an acid or a base.

The scale that indicates whether a substance is basic or acidic, and to what degree.

A reaction that absorbs heat from its surroundings.

A substance that conducts electricity when in a solution or in an aqueous state.

Any substance with a pH reading lower than 7, with the ability to neutralize a base.

Sheets of paper that identify the hazards and safety measures, that need to be taken when handling a certain substance in the lab/work environment.