Chemical Writing with Water

Question 1

What is the Oxidation number of Carbon?

Accepted Answer

-4 +4

Question 2

What is the product in this. 2 Al + 3 Pb(NO3)2 → 2 Al(NO3)3 + 3 Pb

Accepted Answer

2 Al(NO3)3 + 3 Pb

Question 3

The chemical formula that shows how it is how bonded together is

Accepted Answer

Structural Formula

Question 4

The formula for calcium sulfide is

Accepted Answer

CaS2

Question 5

Chemical Compounds is an important section of Chemistry!

Accepted Answer

True

Question 6

How many atoms are in C3H5O(COOOH)3

Accepted Answer

24

Question 7

Which formula shows the actual number of atoms in a compound

Accepted Answer

Molecular Formula

Question 8

To be chemically stable a compound must

Accepted Answer

Have a full outer electron shell

Question 9

The process that breaks water into hydrogen and oxygen is called

Accepted Answer

Electrolysis

Question 10

Surface tension resists water and air from breaking apart

Accepted Answer

True

Question 11

Which Chemical Equation is NOT balanced

Accepted Answer

AgNO 3(aq) + KCl(aq) → AgCl(s) + KNO 3(aq)

Question 12

Which is NOT true about naming ionic compounds

Accepted Answer

determine if ionic or covalent

Question 13

What do the subscripts tell you?

Accepted Answer

number atoms of element

Question 14

How many elements are founded in Al(C2H3O2)3

Accepted Answer

4

Question 15

The process where water molecules stick together and pull each other up is called

Accepted Answer

Adhesion

Question 16

The elasticity of water is called

Accepted Answer

Surface tension

Question 17

What makes water a polar molecule?

Accepted Answer

one end is slightly positive,one end is slightly negative

Question 18

MgS is

Accepted Answer

Magnesium sulfite, Magnesium sulfide

Question 19

Positive or negative number assigned to an element to show its combining ability is

Accepted Answer

Oxidation number

Question 20

What is a binary compound?

Accepted Answer

has only two elements

Question 21

Number of electrons in the outer level of an Element is the

Accepted Answer

Valance number

Question 22

A hydrogen bond

Accepted Answer

bonds water molecules together

Question 23

The process that causes water molecules to be pulled up with others is called

Accepted Answer

Cohesion

Question 24

Solution in substance that does the dissolving is the

Accepted Answer

solvent

Question 25

When metals combine with metals they form __ bonds

Accepted Answer

Metallic

Question 26

Which statement is not true about oxidation numbers

Accepted Answer

all substance in group 4 have a -3 oxidation number

Question 27

When bonding two atoms which do not have opposite oxidation numbers you must

Accepted Answer

find the lowest common factor

Question 28

The polar bond is held in place by

Accepted Answer

the nucleus of largest element

Question 29

When they need to share more than one electron, elements form

Accepted Answer

Double or Triple Bonds

Question 30

How many atoms are in Ca(H2PO4)2 ?

Accepted Answer

15

Question 31

Which is the 1st step in writing names of Chemical compounds?

Accepted Answer

Find the cation

Question 32

The atom with the negative oxidation number in an ionic bond is called

Accepted Answer

anion

Question 33

Why is a hydrogen bond important?

Accepted Answer

All of them

Chemical Writing with Water

Questions 33

Chemical Writing with Water

Questions 33