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, 201261 responses 0 5.0★ / 5

The positively charged centre of the atom.

A natural protein that has catalytic properties.

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

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

Two or more atoms held together in a covalent bond.

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

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

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

The substance created by means of a chemical reaction.

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

A reaction that absorbs heat from its surroundings.

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

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

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

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

a well-combined, uniform mixture.

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

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

A substance made from only one type of atom.

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

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

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

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

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

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

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

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

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.

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

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

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

A regular 3D geometric arrangement of particles.

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

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

Combined elements in a fixed chemical bond.

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

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

A compound containing only two elements.

A separated non-uniform mixture.

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

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

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

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

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

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

Any substance that stops or slows a chemical reaction.

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

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

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

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

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

Negatively charged part of an atom

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

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

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

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

positively charged part of an atom

A molecule, consisting of two atoms.

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

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

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

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

Any substance to the right of the "staircase" on 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).

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