Element Vs Compound Question Preview (ID: 43581)


Element Compound. TEACHERS: click here for quick copy question ID numbers.

Which of the following is an element?
a) H2O
b) C
c) CO2
d) NaCl

Which of the following is a compound?
a) Na
b) Cl
c) Co
d) CO2

How many elements are in CH4?
a) 1
b) 2
c) 3
d) 4

Which of the following is an element?
a) Water
b) Hydrogen
c) Salt
d) Carbon Dioxide

Which of the following is a compound?
a) Hydrogen
b) Oxygen
c) Sodium
d) Water

An element is represented by:
a) 1 capital letter
b) 2 or more Capital Letters
c)
d)

A compound is represented by:
a) 1 Capital letter
b) 2 or more capital letters
c)
d)

An element is represented by
a) One color
b) Two or more Colors
c)
d)

A compound is represented by:
a) One Color
b) Two or More Colors
c)
d)

In the formula H20:
a) There are 2 hydrogen atoms and Zero Oxygen atoms
b) There are the same number of Hydrogen and Oxygen Atoms
c) There are 1 Hydrogen atom and 2 oxygen atoms
d) There are 2 hydrogen atoms and 1 oxygen atom

Ca is an
a) Element
b) Compound
c)
d)

Pb3 is an
a) Element
b) Compound
c)
d)

H3 is an
a) Element
b) Compound
c)
d)

NaCl is an
a) element
b) compound
c)
d)

Represented by two or more colors
a) element
b) compound
c) both
d) none of these answers

Represented by One single color
a) element
b) compound
c) radiation
d) S=D/T

The small number in a molecule that tells you the number of atoms of each element is called the
a) element
b) compound
c) nucleus
d) subscript

Which of the following answer choices is a compound?
a) Xe
b) O3
c) Co
d) CO2

Which of the following answer choices is an element
a) H2O
b) NaCl
c) Pb3
d) C6H12O6

How many elements are in the compound SiO2? (count capitals)
a) 2
b) 3
c) 4
d) 1

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