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Elements and Formulas
Science
Practice defining elements and formulas
10 questions
1. How many elements are in H₂0?
A.
3
B.
2
C.
4
D.
1
2. What is the name of this element: Si?
A.
Sodium
B.
Silver
C.
Scandium
D.
Silicon
3. What is the name of this element: Si?
A.
Sodium
B.
Silver
C.
Scandium
D.
Silicon
4. How many atoms are in H₂0₂?
A.
3
B.
2
C.
4
D.
1
5. How many atoms in C₆H₁₂O₆
A.
3
B.
24
C.
12
D.
36
6. How many elements are in NH₃?
A.
3
B.
2
C.
4
D.
1
7. How many atoms are in NH₄Cl?
A.
3
B.
8
C.
4
D.
6
8. How many elements in NaCl?
A.
3
B.
2
C.
4
D.
1
9. How many elements in NaHCO₃?
A.
3
B.
2
C.
4
D.
1
10. How many atoms in NaOH
A.
3
B.
2
C.
4
D.
5
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