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Review: Atoms, Ions & Periodic Table (SNC1W Chemistry Part B) Flashcards | StudBud
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Review: Atoms, Ions & Periodic Table (SNC1W Chemistry Part B)
Review: Atoms, Ions & Periodic Table (SNC1W Chemistry Part B)
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#SNC1W #Grade #9 #nine #atoms #science #chemistry #secondary #school
Flashcards
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Answers
1
A positive ion is created when an electron is _______________________
Lost
Gained
2
Metals are found on the ________________________ side of the periodic table
Middle
On each side of the "staircase"
Left
Right
3
How many neutrons does this
element
have?
23
12
11
1
4
How many electrons in total does a beryllium
ion
have?
2
9
4
5
5
The most stable group/family on the periodic table.
Alkali Metals
Halogens
Noble Gases
Transition Metals
6
Which of the following contains only molecular compounds?
NaCl, CO2 , CH4
all of the listed answers contain ONLY molecular compounds.
CO2 , CH4 , AlCl3
CO2 , CH4 , H2O
7
Give the
symbol
for the alkali metal in
period 6
Rn
Ra
At
Cs
8
How many oxygen atoms are required to build:
4
Mg(OH)
2
8
2
1
4
9
What is this element?
Oxygen
Silicon
Sodium
Carbon
10
What is the atomic mass of this atom?
27
14
13
It is not possible to tell
11
The atomic number is based on which subatomic particle?
Electron
None of the above
Neutron
Proton
12
Where is magnesium located?
Group 1, Period 3
Group 3, Period 2
Group 2, period 2
Group 2, Period 3
13
What is this element?
Lithium
Helium
Hydrogen
Neon
14
What is the maximum number of electrons found in the 2nd orbital (energy level)?
2
4
6
8
15
The electrons found in the outermost orbit are known as the _____________________ electrons
Lonely
Atomic
Valance
Ionic
16
An anion has a ______________________ charge
Negative
Neutral
Positive
17
Which element is this?
Al
It is not possible to tell
Mg
Si
18
Which element is in group 16 period 2?
O
F
Cl
S
19
How many protons should this have?
12
It is not possible to tell
14
13
20
How many total electrons does this have?
14
12
13
3
21
Which of the following will have two energy shells?
Mg
Be
S
Na
