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Dmitrij [34]
3 years ago
8

Based on periodic properties, choose the more metallic element from each of the following pairs.

Chemistry
1 answer:
dimulka [17.4K]3 years ago
7 0

Answer:

Sr is the more metallic element

Bi is the more metallic element

O is the more metallic element

As is the more metallic element

Explanation:

One thing should be clear; metallic character increases down the group but decreases across the period.

Hence, as we move across the period, elements become less metallic. As we move down the group elements become more metallic.

This is the basis upon which decisions were made about the metallic character of each of the elements listed above.

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Explanation:

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What is the volume in liters that is needed to create a 2.3 M solution with 3.7 moles of Fe(OH)2? Round your answer to 1 decimal
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Scientists found a fern fossil in some rock layers of the Grand Canyon. They estimated that a sample of one of the fossils origi
icang [17]
This question is dealing with the half-life of carbon-14 which can be used to determine the age of a substance according to the following equation:

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3 0
3 years ago
Which material can best be used to cast a footwear or tire impression?
mixer [17]

Answer:

B.) cement

Explanation:

The commonest types of impression evidence found in crime scenes include footprints, tire tracks, bite marks and tool marks etc.These types of impression evidence can be used by crime scene investigators to link the suspects to the crime.

The impressions are usually cast using gypsum cement and other forms of casting tools to preserve the evidence and make it useful during any period in the course of the investigation.

5 0
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torisob [31]

Answer:

I think it would be a liquid.

Explanation:

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