2 years ago

_________are horizontal rows on the Periodic Table. Help me is due tomorrow

Chemistry

1 answer:

julsineya [31]2 years ago

3 0

Answer: Rows are the horizontal rows and Columns are the vertical rows.

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Which is the term for an ion that has more protons than electrons

murzikaleks [220]

Answer:

The correct answer is cation. See the explanation below, please.

Explanation:

An atom with a net charge, either positive or negative, is called an ion. In the event that an atom loses an electron (or more), that is, it will have more protons than electrons, and its net charge will be positive, it will be called cation. In the opposite direction, if an atom gains electrons, it will have a negative net charge, called anion.

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3 years ago

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Margarita [4]

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Explanation:

just count the amount of atoms present in the model.

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Do the same volumes of H2O and H2SO4 have the same number of molecules?

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3 years ago

How many molecules (not moles of nh3 are produced from 5.01×10?4 g of h2?

Irina-Kira [14]

2,02g ------- 6,02×10²³
5,01×10⁴g --- x

$x=\frac{5,01*10^{4}g*6,02*10^{23}}{2,02g}=14,93*10^{27}$

N₂ + 3H₂ ⇒ 2NH₃
1mol : 3mol : 2mol
18,06×10²³ : 12,04×10²³
14,93×10²⁷ : y

$y=\frac{14,93*10^{27}*12,04*10^{23}}{18,06*10^{23}}\approx9,95*10^{27}$

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3 years ago