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andrew-mc [135]
3 years ago
11

Name a lustrous non- metal ?​

Chemistry
2 answers:
Mariana [72]3 years ago
7 0
Iodine is the answer
kogti [31]3 years ago
5 0

Answer:

it is iodine it seems very right

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guapka [62]

Answer:

B. The products are nuclei of elements that are different from the original elements.

6 0
1 year ago
Solid sodium reacts violently with water, producing heat, hydrogen gas, and sodium hydroxide. How many molecules of hydrogen gas
Zinaida [17]

Answer: Number of molecules of hydrogen gas 6.32\times 10^{32}

Explanation:

2Na+2H_2O\rightarrow 2NaOH+H_2

Number of moles of sodium =\frac{\text{mass of sodium}}{\text{molar mass of sodium}}=\frac{48.7 g}{23 g/mol}=2.11mol

According to reaction , 2 moles of sodium produces 1 mole of hydrogen gas , then 2.11 mol of sodium will= \frac{1}{2}\times 2.11 mol of hydrogen gas that is 1.05 moles of hydrogen gas.

Number of molecules = N_A(\text{Avogadro number})\times moles of substance

Moles of hydrogen gas formed = 1.05 moles

Number of molecules of hydrogen gas = N_A\times moles of hydrogen gas

Number of molecules of hydrogen gas =6.022\times 10^{23} mole^{-1}\times 1.05 mole=6.32\times 10^{32}

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3 years ago
What trend is seen in atom size, going down the periodic table?
m_a_m_a [10]
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It is called Ionization Energy.
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What can you infer about arid climates from their name?
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The receive very little rainfall
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