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BartSMP [9]
2 years ago
12

This answer please :)

Chemistry
1 answer:
Artemon [7]2 years ago
5 0

Answer:

ithink it is c but i dont my ghess

Explanation:

i want to do thos for the points tbh

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Draw a lewis structure for XZ2 (X has 6 valence electrons, F has 7 valence electrons)
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why are isotopes that have relatively short half lives the only ones used in medical diagnostic tests
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Ca + HCl -> CaCl2 + H2 Li + H2O -> LiOH + H2 NH3 + O2 -> NO + H2O K + O2 -> K2O
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Explain how atomic interactions determine a material to be transparent and opaque
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Answer:

The materials are opaque or crystalline from a client to the orientation and type of union between their atoms, forming two types of structures.

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On the other hand, in those compounds that we call amorphous, the atoms are located in a different way that makes light pass through them, without absorbing or identifying any light beam, so they look transparent.

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Dalton's Atomic Model
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Answer:

A theory of chemical combination, first stated by John Dalton in 1803. It involves the following postulates: (1) Elements consist of indivisible small particles (atoms). (2) All atoms of the same element are identical; different elements have different types of atom. (3) Atoms can neither be created nor destroyed. Based on all his observations, Dalton proposed his model of an atom. It is often referred to as the billiard ball model. He defined an atom to be a ball-like structure, as the concepts of atomic nucleus and electrons were unknown at the time.

John Dalton developed a crude method for measuring the masses of the elements in a compound. His law of multiple proportions states that when two elements form more than one compound, masses of one element that combine with a fixed mass of the other are in a ratio of small whole numbers.

Explanation: Sup. Hope dis helps u bro

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