Answer: Hg
Explanation:
The symbol of Mercury is Hg drived from Hydra gayrum
Answer:
Explanation:
Remark
CH2 provides the basic structure of the hydrocarbon. It will be multiplied by some factor determined by the number of grams / mol. I will use rounded numbers because all periodic tables are slightly different.
Theoretical mass of CH2
1 C = 1 * 12 = 12
2 H= 2 * 1 = 2
Mass CH2 = 14
The multiplier for CH2
56.108 rounded = 56
Multiplier = molar mass (rounded)/Mass CH2
Multiplier = 56/14 = 4
Chemical
(CH2)_4 = C4H8
Answer: C4H8
2-7-1
<h3>Further explanation
</h3>
Electrons can move the shell up or down by releasing energy or absorbing energy
Excited electrons show higher electron transfer to the shell by absorbing energy
So it can be concluded that there are 2 conditions:
Ground state is the state of electrons filling shell with the lowest energy levels.
Excited state is the state of electrons which occupies a higher energy level
The state of excited electrons can be seen from the presence of electrons which do not fill the skin completely but fill the skin afterward
2-7-1
From its 8 electron configuration, filling 3 shells, 2 electrons in the firs shell, 7 electrons in the second shell and 1 electron in the third shell
the electrons in the third shell should fill the electrons in the second shell first according to Aufbau rule (lower energy shells)
Answer:
The volume of the sheet metal = 0.58 cm³
<em>Note: The question is incomplete. A similar complete question is given below:</em>
<em>a 7.50 g piece of metal was rolled into a thin sheet measuring 24.0 cm × 30.0 cm</em>
<em>the density of the metal is 12.86 g/cm</em>
<em>calculate the volume of the sheet of metal</em>
Explanation:
The mass of a substance is the quantity of matter present in that substance
The volume of a substance is amount of space the substance occupies
Density of a substance is the ratio of its mass and the volume it occupies. It is a measure of how compact a body is.
From definition above;
Density = mass/volume
Therefore, volume = mass/density
mass of thin sheet = 7.50 g
density = 12.86 g/cm³
Volume = 7.50 g / 12.86 gcm⁻³
Volume = 0.58 cm³
Therefore, the volume of the sheet metal = 0.58 cm³
Answer:
lo siento pero no entiendo
Explanation: