Chapter 1 review

A metal is called malleable if it A. Can be hammered into sheets B. Exist naturally as an element C. Can be squeezed out into a wire D. Has a shiny appearance

A

A nonmetal is usually A. Brittle B. Used to make jewelry C. A good conductor D. Malleable

A

Applied research is carried out in order to A. To solve a particular problem B. To learn basic information C. In order to make money D. By accident

A

If a mixture's uniform in composition, it is said to be A. Homogeneous B. Heterogeneous C. A compound D. Chemically bonded

A

Plaza is the fourth state of matter. In the plasma state A. Atoms lose electrons B. Atoms gain electrons C. Atomic nuclei breakdown D. Atoms form molecules

A

The two most important properties of matter are A. Taking up space and having mass B. Being valuable and ductile C. The ability to carry an electric current and hold electric charge D. Being burrito and hard

A

Under ordinary conditions of temperature and pressure, the particles in a gas are A. Very far from each other B. Closely packed C. Held in fixed positions D. Unevenly distributed

A

Which of the following is an example of a heterogeneous mixture? A. Granite B. A gold ring C. Sucrose D. Seawater

A

The scientist is using mathematical models to isolate a new chemical process. He is working in the field of ________ chemistry.

Analytical

A measure of the quantity of matter is A. Density B. Mass C. Weight D. Volume

B

A physical change occurs when a A. Copper bowl tarnishes B. Glue gun melt a glue stick C. Bracelet turns your wrist green D. Peach spoils

B

Basic research is usually performed A. To develop new products B. To gain knowledge C. To solve a particular problem D. Do you understand and environmental problem

B

Which of the following is an example of a homogeneous mixture A. Marble B. Air C. Raw milk D. Orange juice

B

An Atom is A. Smaller than an electron B. Always made of carbon C. The smallest unit of matter that maintains its chemical identity D. The smallest unit of a compound

C

Biochemistry is the study of A. Carbon-containing compounds B. Properties. changes, and relationships between energy and matter C. The chemistry of living things D. Crystals and minerals

C

If a mixture is not in uniform throughout it is called A. Chemically bonded B. Homogeneous C. Heterogeneous D. A solution

C

Nitrogen monoxide and oxygen, both colorless gases, form a red brown gas when mixed. Nitrogen monoxide and oxygen or called the A. Equilibria B. Synthetics C. Reactants D. Products

C

The only pure substance listed below is A. Bread dough B. Vinegar (5% acetic acid) C. Vitamin C (ascorbic acid) D. Seawater

C

The state of matter in which a material has neither a definite shape and a definite volume is the state _____. A. Solid B. Elemental C. Gaseous D. Liquid

C

And Apple turning brown after being cut is an example of a _______ change.

Chemical

The study of matter and changes that occur in matter best describes the science of ______.

Chemistry

Iron and sulfur, when heated, form an iron sulfide that has different properties from either iron or sulfur. This iron sulfide is an example of a _______.

Compound

A chemical change occurs when A. Ethanol is purified through distillation B. Salt deposits from evaporated seawater C. Dissolved minerals solidify to form a crystal D. Aleve changes color

D

A compound is A. The smallest unit of matter that maintains its chemical identity B. A pure substance that cannot be broken down into simpler, stable substances C. Any substance, whether it is chemically bonded or not D. A substance, made of two or more atoms that are chemically bonded, that can be broken down into simpler, stable substances

D

A mixture is A. Any group of elements that are chemically bonded to one another B. Any substance with a uniform composition C. It combination of pure substances bonded chemically D. A blend of any two or more kinds of matter, as long as each maintains its own unique properties

D

In organic chemistry is the study of A. The identification of the composition of materials B. The chemistry of living things C. Mathematical modeling D. Non-carbon related compounds

D

Matter includes all the following except A. Air B. Water vapor C. Smoke D. Light

D

Metalloids are often A. From outer space B. Unreactive C. Lanthanides D. Semiconductors

D

Organic chemistry is the study of A. Crystals and minerals B. Properties, changes, and relationships between energy and matter C. The chemistry of living things D. Carbon-containing compounds

D

Technological development occurs A. In order to learn basic information B. Only to make money C. By accident D. Long after the basic research is complete

D

Which of the following is an extensive property of matter? A. Density B. Boiling point C. Melting point D. Volume

D

Which of the following is an intensive property of matter? A. Amount of energy B. Volume C. Mass D. Density

D

The metal can we squeeze out and two are because it is ________.

Ductile

The two types of matter that are pure substances are ______ and ________.

Elements, compounds

Matter that has neither a definite volume or a definite shape is in the ______ state.

Gas

Elements in a ________ in the periodic table can be expected to have similar properties.

Groups

Gravel is an example of a _____ mixture.

Heterogeneous

Some iron and some salt for our Mexico other then generally heated. When the result is cooled, The iron can be separated from the sulfur by using a magnet. This Result is a _______.

Heterogenous mixture

And alloy such as bronze is an example of a ______ mixture.

Homogeneous

A period is a __________ of blocks in the periodic table.

Horizontal row

Basic research is performed to increase _______.

Knowledge

A sample of matter can be poured from container to container. It takes the shape of its container but only takes up a certain volume. Based on the information, the sample is in the _______ state.

Liquid

The particles of a substance in the ________ are able to slide past each other.

Liquid state

Technological development is performed to better our _______.

Lives

The melting point of butter is a _______ change because it does not produce any new substances.

Physical

When examining a mineral, hardness and color are two of the properties used for identification. Hardness and color are examples of _______ properties.

Physical

Applied research is often performed to find the answer to a particular ________.

Problem

Any substance with a definite composition is a _______.

Pure substance

The oxygen in the air causes iron to rust. Iron and oxygen are _______ in this process, and rust is a _______.

Reactants, product