Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Grade 11 Chemistry > Section 2.2 Q-cards > Flashcards

Section 2.2 Q-cards Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Chemistry flashcards Periodic Table flashcards Chemistry 101 flashcards Organic Chemistry 101 flashcards
1
Q

Cations

A

Positively charged atoms
Na+

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Anions

A

Negatively charged atoms
Cl-

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Ionic Compounds

A
  • composed of positive and negative ions.
  • usually formed from a metal and non-metal.
    Examples:
    NaI
    CaF2
    KCl
    LiBr
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Chemical Formulas

A

Shows the kind and number of atoms in the smallest representative unit of the substance.
Ex:
KCl
CaCl2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Formula unit

A

A formula unit is the lowest whole number ratio of ions in an ionic compound.
We don’t write Na2Cl2,but we write NaCl, because the magnitude of each ion is 1.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Binary Ionic Compounds

A

➢Binary means 2 elements
➢Ionic means a metal and a non-metal (or cation and anion)
➢In formula writing:
-the net charge of the compound must equal to zero.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Polyatomic Ions

A

➢Are tightly bound groups of atoms that behave as a unit and carry a charge.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Prefixes and Suffixes for Families of Polyatomic Ions

A

Docs yup yup

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Acids

A

Acids are compounds that ionize, or come apart, in water and release a hydrogen ion, H+.
The positive ion in acids is the hydrogen ion
when HCl dissolves in water, it separates into a hydrogen ion, H+, and a chloride ion, Cl-.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Bases

A

Bases are compounds that produce a hydroxide ion, OH-, when they dissolve in water.
negative ion in bases is usually the hydroxide ion.
When NaOH(s) dissolves in water, it separates into a sodium ion, Na+, and a hydroxide ion, OH-

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Naming and Writing Formulas for Bases

A

Ionic compound
Hydroxide is the name of the polyatomic ion, OH-.
Any Ionic compound with OH- is a base.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Naming and Writing Formulas for Acids

A

Molecular compounds (Use the rules for an ionic compound)
Hydrogen is the indication for acids
Any acid has a Hydrogen Atom as a metal.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Binary molecular compounds

A

➢Binary means 2 elements
➢Molecular means 2 non-metals.
➢There are no ionic charges in molecular compounds.
➢Prefixes are used to show how many atoms are present in each molecule.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Naming binary molecular compounds

A

➢Prefix + element root + ide
Example: PCl3
Phosphorous Trichloride
➢All binary compounds ending is-’ide’

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Structural formula

A

a diagram that has the chemical symbols connected by line to show the connections among atoms in a chemical compound. One straight line represents one bond.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What are bases in there pure state.

A

Solid

17
Q

Alkali?

A

A base that is soluble in water

18
Q

How was the term alkali discovered?

A

Soqp making in the middle east thosands of years ago. warm water was poured on the ashes from the burnt wood or dried plants, dissolving the bases that were in the ashes. The resulting solution was then boiled with animal fats to make soap

19
Q

Oxoacid

A

An acid composed of hydrogen, oxygen, and atoms of at least one other element

20
Q

What is HOH

A

water

21
Q

molecular compounds when the magnitude is 1

A

mono

22
Q

molecular compounds when the magnitude is 2

A

di

23
Q

molecular compounds when the magnitude is 3

A

tri

24
Q

molecular compounds when the magnitude is 4

A

tetra

25
Q

molecular compounds when the magnitude is 5

A

penta

26
Q

molecular compounds when the magnitude is 6

A

hexa

27
Q

molecular compounds when the magnitude is 7

A

hepta

28
Q

molecular compounds when the magnitude is 8

A

octa

29
Q

molecular compounds when the magnitude is 9

A

nona

30
Q

molecular compounds when the magnitude is 10

A

deca

31
Q

What is a structural formula

A

A diagram that has the chemical symbols connected by lines to show the connection among atoms in a chemical compound.

32
Q
A

Grade 11 Chemistry (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions