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Trava [24]
3 years ago
6

Another question please help!!! :)

Chemistry
1 answer:
Oxana [17]3 years ago
6 0

The answer is [Boron]

I had this answer on my Chemistry test!

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1
Otrada [13]

Answer:

A. the iron atoms are gaining kinetic energy

Explanation:

when the iron melted and solidifies it loses potential energy and changes to kinetic energy

3 0
2 years ago
Use the periodic table to choose the element that matches each description.
nika2105 [10]

Using the periodic table to choose the element that matches each description include the following below:

  • Halogen: iodine
  • Group IIA: magnesium
  • Nonreactive: argon
  • Alkali metal: potassium.

<h3>What is a Periodic table?</h3>

This contains elements which are arranged according to the order of their atomic number in a tabular form. There are 18 groups which are the vertical columns present while there are 8 periods which are the horizontal rows present in the periodic table.

Example of an alkali metal is potassium while the non reactive ones include argon, neon etc. Examples of halogens include chlorine, iodine etc. are the ones which have seven electrons in their outer electron shells thereby just requiring one electron to achieve to obtain a stable octet configuration.

These are therefore the elements which match the descriptions provided in this case and is the most appropriate choice.

Read more about Periodic table here brainly.com/question/15987580

#SPJ1

8 0
1 year ago
How many grams of potassium sulphate are formed when 49g of sulphuric acid in solution are neutralised by potassium hydroxide?
Katena32 [7]
C - keep counting to the atoms
6 0
2 years ago
What happens when buoyant mantle material gets near earths surface
krek1111 [17]
It will form mountains, hope this helps
3 0
3 years ago
Read 2 more answers
What elements do not fit the pattern of electron affinity
Pavel [41]
What are the choices?
8 0
3 years ago
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