Sodium Na is a soft, low-density member of the alkali metal family. The element sodium is a very delicate silvery-white.
Sodium makes up 2.8 percent of the Earth's crust and is the most prevalent alkali metal and sixth most plentiful element on the planet.
A metal is a substance that has a shiny look when freshly processed, polished, or shattered, and conducts electricity and heat rather effectively. Typically, metals are malleable and ductile.
Ionic linkages mix metals with non-metals, whereas metallic connections happen between metal atoms. The metallic bonding joins metal atoms.
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table in the tools bar to fill in the corresponding
values.
Element
Electron
affinity
(kJ/mol)
Electro-
negativity
A
Bromine
324.6
2.96
B
B
Chlorine
А
00
С
Magnesium
0
С
D
Sodium
52.8
The missing components in the table to the right are indicated with orange letters. By using the periodic table and the tools bar corresponding values are (A) 349 (B) 3.16 (C) 1.31 and (D) 0.93.
The electron affinity of an atom or molecule is defined as electricity launched when electrons are introduced to the outermost shell. Electron affinity increases from left to right across a length.
Electronegativity is described because the tendency of an atom attracts the bonded pair of electrons of covalent bond to itself. To a degree, the electronegativity Pauling scale is used.
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The missing components in the table to the right are indicated with orange letters. Use the periodic table in the tools bar and this link Web Elements to fill in the corresponding values. A B C D E F G. 2. See answers. Log in to add ... F = 737.7kJ/mol. G = 495.8kJ/mol. Explanation: We are asked some of the ...
2 answers
Answer: 448 mL of hydrogen gas.
Solution:
Now,according to reaction
1 mole of magnesium produces one mole of hydrogen gas.
Then 0.020 moles of magnesium will produce 0.020 moles of hydrogen gas.
Moles of gas : 0.020 mol
At STP, 1 mol of gas occupies 22.4 L
So volume of 0.020 mol of produced at STP :
= 22.4/times 0.020 = 0.448 L = 448 mL (1L=1000mL)
Answer:
The answer is D 450
Explanation:
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