Answer: Neon
Explanation:
Neon has 10 protons
Boron has 5 protons. So neon has more protons.
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19. The
metallic properties that are caused by atoms rolling over each other in
metallic bonds are malleability and ductility. The atoms that are being rolled
over are delocalized electrons in the sea of electrons in the metallic bond
enable them to roll over when stress is applied.
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20. </span><span>The
following scenarios that accurately describes a condition in which resonance
can occur is vibrating tuning fork is struck and begins to vibrate as the
object used to strike it is placed away from the tuning fork.</span><span>
*</span>
Explanation:
High carbon concentration in the deep ocean means increased absorption of carbon to the atmosphere resulting to even greater and harmful amounts of carbon in the atmosphere. Therefore we need to keep a close eye of the deep ocean in the quest to monitor and pump out excess carbon from this part of marine life.
The correct answer as to which observation most likely indicates that only a chemical change has taken place would that the change cannot be reversed.
When it comes to changes in a system, it can either be:
- physical change
- chemical change
When a substance undergoes a physical change, the original version of the substance can be recovered. In other words, physical changes can be reversible.
When a substance undergoes a chemical change, the original version cannot be recovered because an entirely new product would have been formed. In other words, chemical changes are irreversible.
Thus, once a change becomes irreversible, such a change is said to be a chemical change.
More on chemical change can be found here: brainly.com/question/1161517
Answer:
Option D
Explanation:
For the first statement, the order is:
=> Co < Fe < Zn < Al
For the second statement it is,
=> Ni < Co < Fe
So, combining the order becomes:
=> Ni < Co < Fe < Zn < Al
