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