Chemical formulas test

Question 1

How are covalent and ionic bonds different?

Answer 1

Electrons are shared in covalent bonds, and transferred in ionic

Question 2

What are the characteristics of an ionic bond?(3)

Answer 2

• nonmetal+metal
• high melting point
• conductors

Question 3

What are the characteristics of a covalent bond?(3)

Answer 3

• not conductors
• low melting point
• polar or nonpolar

Question 4

Is the bond between Li and S covalent or ionic?

Answer 4

ionic

Question 5

Is the bond between O and S covalent or ionic?

Answer 5

covalent

Question 6

Is the bond between Al and O covalent or ionic?

Answer 6

ionic

Question 7

Is the bond between F and Cl covalent or ionic?

Answer 7

covalent

Question 8

Is the bond between I and K covalent or ionic?

Answer 8

ionic

Question 9

Is the bond between H and N covalent or ionic?

Answer 9

Both, because H acts as a metal and a nonmetal

Question 10

What is the rule for prefixes in naming covalent and ionic compounds?

Answer 10

Covalent- prefix on all parts of the name except mono on the first one

Ionic- no prefixes

Question 11

In Which type of bond must the charges equal 0?

Answer 11

Ionic

Question 12

What is the name of P5O8?

Answer 12

phosphorus octoxide

Question 13

What is the name of SCl2?

Answer 13

sulfure dichloride

Question 14

What is the name of NI7?

Answer 14

nitrogen heptiodide

Question 15

What is the name of Pb(NO3)2?

Answer 15

lead(II) dinitrate

Question 16

What is the name of KF?

Answer 16

Potassium flouride

Question 17

What is the hame of Sn(SO4)2?

Answer 17

tin(IIII) sulfate

Question 18

What is the name of CaCO3?

Answer 18

Calcium carbonate

Question 19

What us the formula for lithium chloride?

Answer 19

LiCl

Question 20

What us the formula for nitrogen triphosphide

Answer 20

NP3

Question 21

What us the formula for lead acetate?

Answer 21

Pb(C2H3O2)2

Question 22

What us the formula for tetraflouride dicarbide?

Answer 22

F4C2

Question 23

What us the formula for potassium hydroxide?

Answer 23

K(OH)

Question 24

What is the name for CaF2?

Answer 24

Calcium flouride

Question 25

What is the name for O4P6?

Answer 25

tetraoxygen hexaphosphide

Question 26

What is the name for Fe(SO4)3

Answer 26

iron(III) sulfate

Question 27

What is the name for C3F?

Answer 27

Tricarbon monoflouride

Question 28

What is the name for Cu(NO2)2?

Answer 28

Copper(II) nitrate

Question 29

What are all the prefixes for naming compounds (1-10 atoms)?

Answer 29

``` 1-mono 2-di 3-tri 4-tetra 5-penta 6-hexa 7-hepta 8-octo 9-nona 10-deca ```

Question 30

What is a combination reaction?

Answer 30

two or more substances reacting for form one product

Question 31

What is a decomposition reaction?

Answer 31

One substance undergoes a reaction to form 2 or more other substances

Question 32

What is a combustion reaction?

Answer 32

A combination of a substance with oxygen releasing heat energy and producing carbon dioxide and water

Question 33

What is a single replacement reaction?

Answer 33

On element replaces another in a chemical formula

Question 34

What is a double replacement reaction?

Answer 34

2 elements switch places in a chemical formula