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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
halogen
C
law of conservation
D
physical change
2) Yes Indeed! Elements may trade places with one another in chemical reactions
A
replacement
B
physical change
C
synthesis
D
decomposition
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
Sodium
B
iodine
C
Neon
D
silicon
4) Look here on the periodic table and you will find elements with similar properties
A
electrons
B
periods
C
periodic groups
D
protons
5) What property of aluminum allows it to be rolled into thin sheets?
A
it is a good conductor of electricity
B
it is ductile
C
it is soluble.
D
it is malleable.
6) What pure substance is composed of more than one element?
A
sodium
B
gold
C
water
D
carbon
7) Which element is a poor conductor of heat
A
F
B
K
C
Fe
D
Ag
8) Which is an example of a physical change?
A
rusting
B
rotting
C
burning
D
boiling
9) Which is a sign that a chemical reaction has occurred?
A
steam rises into the air
B
the substance is cut in half
C
the formation of a precipitate
D
the substance dissolves in water
10) How does one find the atomic mass of an element?
A
by checking to see if the element is a good conductor of electricity
B
Look at the atomic number
C
Add the protons and the neutrons
D
by finding its periodic group
*select an answer for all questions
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