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Non-metals And Chemical Reactions Vocal Review
Test Description: For each statement below identify the term that best fits.
Instructions: Answer all questions to get your test result.
1) 5 grams of X reacts with 10 grams of y and there you have it 15 grams of chemical XY
A
isotope
B
physical change
C
law of conservation
D
halogen
2) Yes Indeed! Elements may trade places with one another in chemical reactions
A
decomposition
B
synthesis
C
physical change
D
replacement
3) If this element did not exist, you would not be able to talk on your cellphone or play video games on the computer
A
silicon
B
Sodium
C
Neon
D
iodine
4) Look here on the periodic table and you will find elements with similar properties
A
electrons
B
protons
C
periods
D
periodic groups
5) What property of aluminum allows it to be rolled into thin sheets?
A
it is malleable.
B
it is a good conductor of electricity
C
it is ductile
D
it is soluble.
6) What pure substance is composed of more than one element?
A
sodium
B
water
C
gold
D
carbon
7) Which element is a poor conductor of heat
A
F
B
Ag
C
K
D
Fe
8) Which is an example of a physical change?
A
burning
B
boiling
C
rusting
D
rotting
9) Which is a sign that a chemical reaction has occurred?
A
the substance is cut in half
B
the formation of a precipitate
C
steam rises into the air
D
the substance dissolves in water
10) How does one find the atomic mass of an element?
A
by finding its periodic group
B
Add the protons and the neutrons
C
by checking to see if the element is a good conductor of electricity
D
Look at the atomic number
*select an answer for all questions
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