Chemical & Covalent Bonds

Question 1

The goal of all atoms is to….

Answer 1

have a balanced number of valence electrons

Question 2

Ionic bond

Answer 2

when one atom transfers valance electrons to another to have a stable amount of valance electrons and holds together cat ions and anions

Question 3

An ion with a negative charge is an

Answer 3

Anion

Question 4

If an Ion is trying to lose an electron it will have a ___ charge

Answer 4

positive

Question 5

If an Ion is trying to gain an Ion it has a ___ charge

Answer 5

negative

Question 6

An ion with a positive charge is a …

Answer 6

cation

Question 7

prefix for 1-5

Answer 7

1- mono
2-di
3-tri
4-tetra
5-penta

Question 8

prefixes for 6-10

Answer 8

6- hexa
7- hepta
8- octa
9- nona
10- deca

Question 9

Na & Cl are

Answer 9

chemical symbols

Question 10

NaCl is..

Answer 10

chemical formula

Question 11

2Na + Cl -> NaCl is a..

Answer 11

chemical Equation

Question 12

Law of conservation of mass

Answer 12

mass is neither created or destroyed in a chemical reaction

Question 13

Synthesis or Addition reactions

Answer 13

when 2 or more substances combine to form a new compound

Question 14

their is ___ plus sign on the ___ of a Synthesis Reaction

Answer 14

1, left

Question 15

Decomposition Reactions

Answer 15

single compound is broken down to produce 2 or more smaller compounds

Question 16

Single Displacement

Answer 16

One element replaces a similar element in a compound, One material by itself

Question 17

In a Decomposition reaction their is __ plus sign on the __ of the arrow

Answer 17

1, right

Question 18

A Single & Double Displacement have ___ Plus signs

Answer 18

two

Question 19

Double Displacement

Answer 19

Ions form 2 compounds in a solution and exchange places; one material getting broken down

Question 20

AB = A+B is an example of

Answer 20

Decomposition Reaction

Question 21

A+B = AB is an example of

Answer 21

Synthesis Reactions

Question 22

AX + B = BX+ A is an example of

Answer 22

single displacement

Question 23

AB+ CD = AD + CB

Answer 23

Double Displacement

Question 24

Combustion

Answer 24

a substance combines with 02 and releases energy; must create carbon dioxide and water/steam

Question 25

Carbon Compound + O2 = CO2+H2O is an example of

Answer 25

combustion

Question 26

An Ionic Bond forms between ___ & ____.

Answer 26

Metals & nonmetals

Question 27

how do you combine elements when they are ionicly bonded

Answer 27

add parenthesis with roman numerals and add ide. Show the oxidation numbers and switch them.

Question 28

Pollyatomic ions are held together by a

Answer 28

Covalent bond

Question 29

pollyatomic ions plus other ions results in a ___ bond

Answer 29

ionic

Question 30

Covalent bonds __ Electrons

Answer 30

share

Question 31

Covalent bonds form between a _____ &_ _____

Answer 31

nonmetal and nonmetals

Question 32

when adding Covalent bonds you must..

Answer 32

add prefix of how many their are ex. mono, di , tetra; add ide to second ion