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, 201263 responses 0 5.0★ / 5

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

A reaction that absorbs heat from its surroundings.

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

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

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

a well-combined, uniform mixture.

Negatively charged part of an atom

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

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

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

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

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

A molecule, consisting of two atoms.

The positively charged centre of the atom.

positively charged part of an atom

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

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.

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

A separated non-uniform mixture.

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

Two or more atoms held together in a covalent bond.

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

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

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

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

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

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

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

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

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

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

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.

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

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

Tabular chart of chemical elements according to their atomic number.

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

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

Combined elements in a fixed chemical bond.

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

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

A compound containing only two elements.

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

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

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

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

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

Any substance that stops or slows a chemical reaction.

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

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

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

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

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

A regular 3D geometric arrangement of particles.

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

The substance created by means of a chemical reaction.

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

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

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

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

A substance made from only one type of atom.

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

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

A natural protein that has catalytic properties.

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

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

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