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katen-ka-za [31]
3 years ago
15

MgX2 Very low density Highly reactive Diatomic Using the periodic table, determine which element these characteristics MOST LIKE

LY describe. A)fluorine B)iodine C)oxygen D)sodium
Chemistry
2 answers:
snow_tiger [21]3 years ago
6 0

Answer:

Flourine

Explanation:

The answer is Flourine i guessed and got it right!

photoshop1234 [79]3 years ago
3 0
Oxygen, fluorine and iodine are diatomic elements. Flourine is more reactive than the other two because it is the closest away to filling its outer layer of electrons and becoming stable like a noble gas.
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dusya [7]
It's a weak base because weak bases don't dissociate completely. If it did, then it would be a strong base.
7 0
3 years ago
A closed vessel having a volume of 1 liter holds 2.5 × 1022 molecules of carbon dioxide gas. Determine the mass of CO2 present,
11111nata11111 [884]

Answer:

mass = 1.8x10⁻³ kg; number of moles = 4.1x10⁻⁵ kmol; specific volume = 0.55 m³/kg; molar specific volume = 24.4 m³/kmol

Explanation:

By the Avogadro's number, 1 mol of the matter has 6.02x10²³ molecules, thus, the number of moles (n) is the number of molecules presented divided by Avogadro's number:

n = 2.5x10²²/6.02x10²³

n = 0.041 mol

n = 4.1x10⁻⁵ kmol

The molar mass of CO₂ is 44 g/mol (12 g/mol of C + 2*16g/mol of O), and the mass is the number of moles multiplied by the molar mass:

m = 0.041 mol * 44 g/mol

m = 1.804 g

m = 1.8x10⁻³ kg

The specific volume (v) is the volume (1L = 0.001 m³) divided by the mass, and it represents how much volume is presented in each part of the mass:

v = 0.001/1.8x10⁻³

v = 0.55 m³/kg

The molar specific volume (nv) is the volume divided by the number of moles, and it represents how much volume is presented in each part of the mol:

nv = 0.001/4.1x10⁻⁵

nv = 24.4 m³/kmol

5 0
3 years ago
How do starch and ATP store and supply energy?
riadik2000 [5.3K]

Answer:

molecules store energy

Explanation:

Hope This Helps! ^^

5 0
3 years ago
Are the noble gases considered inert or reactive? Why?
mr Goodwill [35]

Answer:

Noble gases are considered as Inert because they are unreactive.

Explanation:

Seven noble elments are known to us , they are: helium, neon, argon, krypton, xenon, radon, and oganesson. Noble gases have 8 electrons in their outermost shell and hence their valence shell is complete, they donot need further electrons to complete their octet so they are unreactive. Also they posses following properties.

8 0
2 years ago
What is the Molar mass of zinc
weeeeeb [17]

65.38 u (or g)

I just searched it up

8 0
3 years ago
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