Mixtures, Elements, And Compounds

Question 1

An example of a heterogeneous mixture is

A. Salt water
B. Stainless steel
C. Salad dressing
D. Salt

Answer 1

C. Salad dressing

Question 2

In a solution the substance being dissolved is called the

A. Solvent
B. Solute
C. Solubility
D. Insoluble

Answer 2

B. Solute

Question 3

The simplest type of a pure substance is a

A. Compound
B. Alloy
C. Solution
D. Element

Answer 3

D. Element

Question 4

Something that can be dissolved in water is called ______

Answer 4

Soluble

Question 5

Pure substances that are made of more than one element are called

A. Alloys
B. Mixtures
C. Compounds
D. Solutions

Answer 5

C. Compounds

Question 6

Which of the following is not an alloy

A. Zink
B. Stainless steel
C. Gold jewelry
D. Brass

Answer 6

A. Zink

Question 7

Which of the following is not a compound

A. H2SO
B. CO2
C. H2O
D. H2

Answer 7

D. H2

Question 8

Matter is classified according to its makeup as ______, _______, _______, or ________

Answer 8

Mixtures solutions elements compounds

Question 9

Alloys are metal solutions in which solids are ______ in solids

Answer 9

Dissolved

Question 10

A mixture is composed of two or more substances ______ together but not chemically combined

Answer 10

Mixed

Question 11

The substances in a mixture can be present in any ______

Answer 11

Amount

Question 12

The substances in a mixture can be _________ by simple physical means

Answer 12

Separated

Question 13

A mixture that does not appear to be the same throughout is a ___________ mixture

Answer 13

Heterogeneous

Question 14

The particles in a colloid, a type of ________ mixture , are not dissolved

Answer 14

Homogeneous

Question 15

A mixture that appears to be the same throughout is a _________ mixture

Answer 15

Homogeneous

Question 16

The amount of a solute that can completely dissolved in a given solvent at a specific temperature is called its ______

Answer 16

Solubility

Question 17

A solution is a type of ______ mixture

Answer 17

Homogeneous

Question 18

A pure substance is mad if only _____ kind of material, has _____ properties, and is the ______ throughout

Answer 18

One

Definite

Same

Question 19

Elements are made of atoms which are the

______ _______ of matter

Answer 19

Building blocks

Question 20

Element are the ______ type of pure substance

Answer 20

Simplest

Question 21

Elements can’t be broken down into simpler substances without losing their ________

Answer 21

Identity

Question 22

Compounds are two or more elements __________ combined

Answer 22

Chemically

Question 23

Most compounds are made of ______

A. Atoms
B.molecules
C. Elements
D. Mixtures

Answer 23

B.molecules

Question 24

A molecule is made of two or more _____ chemically bonded together

Answer 24

Atoms

Question 25

A ______ _______ is a combination of chemical symbols

Answer 25

Chemical formula

Question 26

A combination of chemical symbols is called a

______ ______

Answer 26

Chemical formula

Question 27

A chemical equation describes a ______ ______

Answer 27

Chemical reaction

Question 28

The _____ is the one doing the dissolving

Answer 28

Solvent

Question 29

The one being dissolved is called the _____

Answer 29

Solute

Question 30

How can you balance a chemical equation?

Answer 30

You can add a coefficient

Question 31

What is a coefficient?

Answer 31

A number that is placed in front of a symbol or formula

Question 32

What is a subscript

Answer 32

A number placed in the lower right of a chemical symbol

Question 33

Something that is unable to be dissolved in water is _________

Answer 33

Insoluble

Question 34

Matter that consists of two or more substances mixed together but not chemically combined is called 
 A. Element
B. Pure substance
C. Compound
D. Mixture

Answer 34

D. Mixture