3 years ago

How is burning wood a good illustration of the law of conservation of mass?

Chemistry

1 answer:

crimeas [40]3 years ago

6 0

The wood turns into ash and smoke so mass is nor destroyed or created.

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After a covalent bond has stabilized an atom, the atom will have

Dafna1 [17]

<em>Answer:</em>

The atom have a full valence electron shell.

<em>Explanation:</em>

My question is that why covalent bonds take place?

Every atoms tends to from bond with another atoms in order to get nearest electronic configuration of nobel gases. They become stable when their valence shell become complete. So when covelant bond forms between atoms, share electrons to each other and stabilize themselves.

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3 years ago

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An atom has atomic number of 34. how many protons and electrons does it have? what is its symbol? 34 protons and electrons. se l

AURORKA [14]

Se: Selenium

Protons: 34
Electrons: All atoms in the periodic table are neutral until changed otherwise
Neutrons: 44
Atomic Mass: 78.09

>Symbol attached<