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Basic Chemistry Flashcards | StudBud
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Basic Chemistry
Basic Chemistry
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Flashcards
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Questions
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Answers
1
How do we write oxygen gas?
O2
O2
O
OX
2
Which one is Magnesium Hydroxide? Mg
2+
OH
-
MgOH2
MgOH
Mg2OH
Mg(OH)2
3
What is the electron configuration for oxygen? Atomic Number= 8 in Year 13 Chemistry
2,5, 1
IS22s22p4
1s22s23p4
2,6
4
What is an ionic solid made up of?
A non-metal and a metal
Metals
Cations
Non-metals
5
What is the smallest particle in an atom?
Neutron
Electron
Nucleus
Proton
6
What do we call something that loses or gains electrons to become stable?
Positive
Iron
Atom
Ion
7
What is a positive ion called?
Cation
Anion
Neutron
Proton
8
The two exceptions for electron configuration are:
Copper and Aluminium
Copper and Iron
Chromium and Cobalt
Chromium and Copper
9
How many valence electrons does Hydrogen have? Atomic 1
2
Has none
0
1
10
Out of the elements below which is a metal ?
Chlorine
Carbon
Potassium
Sulfur
11
When ions and atoms are isoelectronic they have the same .....
Number of protons
Electron configuration
Same number of neutrons
Atomic Structure
12
Which one is the sulfate ion
SO
S
S2-
SO42-
13
Which one is the symbol for the ammonium ion?
NH4+
AM+
NH4-
NH3
14
What is a covalent bond?
Weak bonds which result from sharing
Holds metals together
Weak
Strong bonds which result from sharing electrons
15
Iron Chloride FeCl
3
is made up of what ions?
Fe3+ Cl3-
Fe3+ Cl-
Fe+ Cl3-
Fe2+ Cl-
16
What is the symbol for Iron
Cu
Ir
FE
Fe
17
What are atoms made up of?
Negative and positive
Protons, Neutrons, Electrons
Protons, Neutral, Electrons
Solids, Liquids, Gases
18
What is the symbol for Mercury
HG
Hg
M
Me
19
Which one is Aluminium Chloride Al
3+
and Cl
-
AlCL3
Al3Cl
Al(Cl)3
AlCl3
20
How many electrons can an orbital have?
3
2
6
5
21
How many valence electrons does fluorine have? Atomic Number =9
6
9
7
5
22
What is the most electronegative element (most attractive)?
Carbon
Hydrogen
Oxygen
Fluorine
23
What is salt?
Acidic
Sodium Chlorine
Sodium Chloride
Basic
24
What is a molecular solid made up of?
Non-metals
Ionic bonds
A non-metal and a metal
Metals
25
Where do we find electrons?
Energy Levels
Shells
Nucleus
