Answer:
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Explanation:
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<em>1) All matter is made of atoms. Atoms are indivisible and indestructible. </em><em>3) Compounds are formed by a combination of two or more different kinds of atoms. 4) A chemical reaction is a rearrangement of atoms.</em>
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Answer:
the oxidation number of hydrogen is +2, while oxygen is -2
The statement that correctly explains the molecular structure of water is A. One oxygen (O) and two hydrogen atoms (H2) are joined by a covalent bond.
It cannot be ionic, since ionic bonds tend to be sold at room temperature.
Periodic trends illustrate how some elements are very reactive while others are stable.
Answer:
what's the qstn first ?????