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