Sept 2019 from others Elements and Compounds Questions
The formula for pyrite is FeS2.  
HOw many elements are in pyrite?
22
5
2
4
The image below shows which of the 
following?
element
one atom
3 atoms of an element
compound
a mixture
a molecule of an element
a compound
The drawing shown here
is an example of 
The fact that this model shows two colors means that it is representing
an element
a compound
an atom with big ears
Which of the following represents an 
element?
carbon dioxide
oxygen
a rock
salt
Which of the following cannot be brokendown chemically into some simpler?
an atom
compound
carbon dioxide
water
What can you find on the periodic
table?
all the compounds that exist in the universe
 the number of hydrogen atoms there are in a 
molecule of water
the chemical formula for salt
elements listed in order of atomic number.
When one atom of oxygen bonds with two atoms ofhydrogen, which compound is made
C6H12O6
H2O
O2H
CO2
Which of the following is a group of two or more different types ofatoms held together by a chemical bond?
atom
any molecule
compound
protons and neutrons
Which of these is an example of a compound?
 A, B and C
A
A, and B
B
B and C
none of the above
C
How many elements are in Feldspar (a mineral)?
KAlSi3O8
11
13
6
4
创建 That Quiz — 针对各年级学生的数学测试网站.