Elements, Mixtures, Compounds, and Bonds

Question 1

When a chemical reaction occurs between different atoms, a _______ is formed.

Accepted Answer

compound

Question 2

Which of the following is an example of a compound?

Accepted Answer

C

Question 3

An example of an element is

Accepted Answer

sodium

Question 4

If you have a bowl with white and black specks in it it is probably a

Accepted Answer

mixture

Question 5

Any material consisting of only one type of atom is classified as what?

Accepted Answer

An element

Question 6

What is the difference between an element and a compound?

Accepted Answer

Compounds are made of more than one type of atom.

Question 7

Most materials we use and encounter daily are ________.

Accepted Answer

Mixtures

Question 8

Choose the covalent compound.

Accepted Answer

CO2

Question 9

The element that we breathe and that is used to fuel fires is

Accepted Answer

oxygen

Question 10

In which type of bond are electrons shared?

Accepted Answer

Covalent

Question 11

What will Fluorine do with its electrons to become stable?

Accepted Answer

Gain 1

Question 12

Table salt is an example of?

Accepted Answer

A compound

Question 13

An example of a compound is

Accepted Answer

salt

Question 14

What kind of bond will water form?

Accepted Answer

Covalent

Question 15

Trail mix is an example of a mixture because

Accepted Answer

its parts can be separated

Question 16

When two or more atoms are physically combined, but can be separated, it is called a

Accepted Answer

mixture

Question 17

How many valance electrons do atoms need to have in their outer orbital to be stable?

Accepted Answer

8

Question 18

_______ can be separated by physical means.

Accepted Answer

A mixture

Question 19

A substance made of only one kind of atom is called a(n)

Accepted Answer

element

Question 20

To separate a mixture of iron filings and sand you should use

Accepted Answer

a magnet

Question 21

A compound is represented by its ________.

Accepted Answer

chemical formula

Question 22

Which of the following is an example of an element?

Accepted Answer

A and B

Question 23

An example of a mixture is

Accepted Answer

salad

Question 24

In an ionic bond, atoms...

Accepted Answer

Donate/receive electrons from/to their outermost shell

Question 25

When two or more atoms chemically combine to form a new substance it is called a

Accepted Answer

compound

Question 26

How many valence electrons does Carbon have?

Accepted Answer

4

Question 27

What are valence electrons?

Accepted Answer

The electrons located in the outermost shell

Question 28

To separate sand from water you should use a

Accepted Answer

filter

Question 29

A material made of combined substances that each retain their own properties is called?

Accepted Answer

A mixture

Question 30

The following image is an example of?

Accepted Answer

An element

Question 31

If 2 atoms are sharing 4 electrons, what type of bond to they have?

Accepted Answer

Double Bond

Question 32

If you cut Sulfer into smaller pieces, it is still Sulfer because

Accepted Answer

it is an element

Elements, Mixtures, Compounds, and Bonds

Questions 32

Elements, Mixtures, Compounds, and Bonds

Questions 32