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Elements Review Flashcards | StudBud
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Elements Review
Elements Review
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#elements #chemistry
Flashcards
13 cards
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Questions
13
Answers
1
Which elements comprise the largest portion of living matter?
Chlorine, Sodium, and Oxygen
Hydrogen, Carbon, Oxygen, and Nitrogen
Oxygen, carbon, and Silicon
Sulfur, Calcium, Carbon, and Hydrogen
2
How many elements are present in baking soda NaHCO3?
1
2
4
3
3
Which group of elements above comprises the largest portion of solid earth?
Group C
Group B
Group A
Group D
4
Which of the following represents an element?
2, 5, and 6
1, 3, and 4
2, 3, 5, and 6
1 and 4
5
Which of the following statements are characteristics of an element?
I, III
II, IV
II, III, IV
I, IV
6
The chemical symbol Ca represents...
Carbon
Calcium
Cesium
Chlorine
7
Which group of elements above comprises the largest portion of oceans?
A
B
C
D
8
Most Mass of living things is made of which 2 elements?
Oxygen and Carbon
Oxygen and Nitrogen
Hydrogen and Oxygen
Nitrogen and Others
9
What's the symbol for Chlorine?
C
Ch
Cl
Ce
10
Which of the following correctly represents an element?
Copper - Cu
water - H2O
Carbon Monoxide - CO
Salt - NaCl
11
Which of the following is not an element?
Water
Nitrogen
Sodium
Helium
12
Which of the following is an element?
KF
Co
NaS
CO2
13
What's the symbol for Nitrogen?
N
Na
Ni
Ne
