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Chemistry > Chemical Bonding > Flashcards

Chemical Bonding Flashcards

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0
Q

Nucleus

A

Has positive protons and nuetral nuetrons

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1
Q

Atom

A

Smallest part of an element

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2
Q

Negative electrons

A

Circle the nucleas in the shells

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3
Q

Atomic number

A

Number of protons

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4
Q

Mass number

A

Number of protons and neutrons

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5
Q

Compound

A

Two or more atoms of different elements have a chemical bonding joining them together

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6
Q

Octet rule

A

Atoms will bond together so that each atom attains an electron arrangment with 8 electrons in its outer shell

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7
Q

Ionic bonding

A

When one atom gives electrons and the other atoms takes electrons to get a full outer shell

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8
Q

Covalent bonding

A

Is when both atoms share electrons to get a full outer shell

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9
Q

Single covalent bonds

A

They occur when atoms shar on pair if electrons

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10
Q

Double covalent bond

A

Is formed when atoms share two pairs if electrons

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11
Q

Name the first ten elements of the periodic table

A

Hydrogen, helium, lithium, beryllium, carbon, boron, nitrogen, oxygen, fluorine and neon

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12
Q

What are the next ten elements of the periodic table

A

Sodium, magnesium, aluminum,silicon, phosphorus, sulfur, chlorine, argon, potassium and calcium

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13
Q

Hydrogen

A

H

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14
Q

Helium

A

He

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15
Q

Lithium

A

Li

16
Q

Beryllium

A

Be

17
Q

Boron

A

B

18
Q

Carbon

A

C

19
Q

Nitrogen

A

N

20
Q

Oxygen

A

O

21
Q

Fluorine

A

F

22
Q

Neon

A

Ne

23
Q

Sodium

A

Na

24
Q

Magnesium

A

Mg

25
Q

Aluminium

A

Al

26
Q

Silicon

A

Si

27
Q

Phosphorus

A

P

28
Q

Sulfur

A

S

29
Q

Chlorine

A

Cl

30
Q

Argon.

A

Ar

31
Q

Potassium

A

K

32
Q

Calcium

A

Ca

33
Q

Two ionic bonding atoms

A 
Sodium atom(2,8,1)+chlorine atom (2,8,7) = salt and Na+ Cl-
Magnesium atom(2,8,2)+Oxygen atom(2,6)=full outer shell 
Mg+ O-
34
Q

Name two covalent bonding atoms

A 
2 Hydrogen atoms(1each)+1Oxygen atom(2,4)= water and a full outer shell(H2O)
4Hydrohen atoms(1each)+1Carbon atom(2,4)= methane a full outer shell (CH4)
35
Q

The differences between Ionic and Covalent compounds

A

Ionic. Covalent
Consists crystal lattices. Consists of separate molecules
Usually crystalline solids. Usually liquids or gases
Usually soluble in water. Low melting&boiling points
Conducts electricity when melted. Doesn’t conduct electricity

Chemistry (17 decks)

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