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Marianna [84]
3 years ago
8

A substance is a good conductor of electricity. Which of the following best explains the probable position of the substance in t

he periodic table?
A- it’s between groups 1 to 12 because it is metal
B- it is between groups 13-18 because it is metal
C- it’s between groups 1 to 12 because it is non-mental
D- because it is between groups 13 to 18 because it is metal.
IN NEED OF HELP!!!
Chemistry
2 answers:
Mariana [72]3 years ago
6 0

Answer: Option (A) is the correct answer.

Explanation:

Elements present in group 1 are known as alkali metals. Whereas elements present in group 2 are called alkaline earth metals and elements from group 11 to 12 are transition metals.

As it is known that metals have the ability to lose electrons in order to attain stability and electricity is the flow of electrons from one point to another.

Therefore, metals are good conductors of heat and electricity.

Thus, we can conclude that the statement it’s between groups 1 to 12 because it is metal best explains the probable position of the substance in the periodic table.

ivann1987 [24]3 years ago
6 0

Answer:

It is between groups 1 to 12 because it is a metal.

Explanation:

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To determine whether a material is an acid or a base, red cabbage indicator is a purple-colored solution

Vinegar is an acid and its pH value is less than 7 and hence

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3 0
2 years ago
In a titration, 25.0 mL of 0.500 M KHP is titrated to the equivalence point with NaOH. The final solution volume is 53.5 mL. Wha
Lena [83]
M1v1=m2v2 
m2=(m1v1)/v2 
Where m is the molarities and v is the volumes
<span>m2=(25.0*0.500)/53.5
m2=12.5/53.5
m2=0.2336
by rounding off:
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so the answer is C: 0.234 M</span>
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This is a fill in the blanks question.


This is where the blanks are: A __________ is scientific knowledge established through direct observation and remains constant. Scientific knowledge can change when scientists _____________


The answer is followiing.


Answer: A <em>law</em> is scientific knowledge established through direct observation and remains constant. Scientific knowledge can change when scientists <em>find new evidence</em>.


Explanation:


A scientific law describes the relation (usually in mathematical terms) of natural phenomena and is supported by numerous observations and experiments. The laws are established when all the observations and result show that all the facts obey the same relation. For instance, the Universal law of gravitation: all the objects are attracted with a force that is directly proportional to the product of their masses and inversely related to the square of the distance that separates them: in lay terms, everything that goes up has to go down, and you do not expect that when a parachutist jumps out of an airplane he or she does not fall on the ground.


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