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Aleksandr [31]
3 years ago
5

How is matter classified?

Chemistry
1 answer:
pshichka [43]3 years ago
5 0
Matter is classified into two groups: Pure Substances and Mixtures.
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Please Help 3. Were there any metallic compounds that did not react with either the acid or the base? Write the type of metal, b
Norma-Jean [14]

Answer:

1)KNO3 ( pottasium trioxonitrate (V)

2)Ca(NO3)2 (calcium trioxonitrate (V

Explanation:

1)KNO3 ( pottasium trioxonitrate (V)

2)Ca(NO3)2 (calcium trioxonitrate (V)

Thses two compounds are metallic compounds and does not react with either the acid or the base.

Write the type of metal, based on your examination of the periodic table?

1)KNO3 ( pottasium trioxonitrate (V) have a potassium element which belongs to group 2 of the Periodic table which is an alkaline metal and can react with water or steàm

2)Ca(NO3)2 (calcium trioxonitrate (V) has calcium metal element which is an alkaline earth metal in the Periodic table and they react with Hallogens

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3 years ago
How are rare earth elements like neodymiun important to our technological world?
kherson [118]
Im assuming, if you find rare earth elements, it is important to the technological world bc you can make more products more better, and even invent new and more modern things.
7 0
3 years ago
For the purposes of determining electron configuration of ions, when electrons are added to a neutral atom, they will inhabit or
irga5000 [103]

Answer: Aufbau principle

Explanation: Aufbau Principle suggests that in filling electrons into orbitals, lower energy orbitals must be filled before higher energy orbitals.

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Once upon a time there was a lovely

                        princess. But she had an enchantment

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In Balancing Equations, why do I put a 3 before reactant H?
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