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Test Description: Chemistry Game
Instructions: Answer all questions to get your test result.
1) What is the oxidation number of Sr?
A
-2
B
-1
C
+2
D
0
2) How many valence electrons do all noble gases have?
A
4
B
1
C
7
D
8
3) What would be the name of P3Cl4?
A
Chrolide
B
Triphosphorus Tetrachloride
C
Triphosphate Chloride
D
Phosphorus Chloride
4) Which of the following would be binary?
A
Na3PO4
B
NaCl
C
K
D
CaCO3
5) Which of the following is an covalent compound?
A
Manganese( Sulfide
B
Water
C
Sodium Oxide
D
Potassium Nitrate
6) What is the trend for electronegativity across a period?
A
Neutral
B
Decreases
C
Idk
D
Increases
7) Why does electronegativity increases across the period?
A
The number of charges on the nucleus decreases.
B
The number of charges on the nucleus increases.
C
The number of charges on the nucleus stays the same.
D
It loses electrons.
8) Which of the following has a higher melting point?
A
Binary Compound
B
Ionic Compound
9) Which of the following are ternary?
A
NaCl
B
CaCO3
C
NaF
D
Mg0
10) Which of the following is an ionic compound?
A
Ammonia
B
Water
C
Carbon Tetrachloride
D
Sodium Oxide
*select an answer for all questions
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