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navik [9.2K]
3 years ago
15

Compared to the nonmetals in Period 2, the metals in Period 2 generally have larger

Chemistry
1 answer:
konstantin123 [22]3 years ago
6 0
The answer is atomic radii; the size or radii of an atom increases from left to right, versus the ionization energies and electronegativities of atoms which increase from right to left.
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How many lone pairs of electrons are on the central carbon atom in a Lewis Structure of CHI3?
Alborosie

There are zero lone pairs of electrons on the central carbon atom in a Lewis Structure of CHI3. The correct option is b.

Explanation:

Lone pair electrons are those valence electrons of an atom which do not take part in bonding or left after the bonds are formed.

CHI_{3}

carbon is the central atom in the compound having 4 valence electrons.

Each iodine molecule has 7 valence electrons.

H has 1 valence electron.

from the Lewis structure of CHI_{3}, it is seen that all four valence electrons of the carbon is involved in bonding with 3 atoms of iodine and 1 atom of hydrogen.

Thus when all valence electrons are involved in bonding no lone pair of electron is found in CHI_{3} that means zero lone pairs of electrons.

The octet of the iodine, carbon and hydrogen gets completed to form the compound.

5 0
3 years ago
Butane is a common fuel used in cigarette lighters and camping stoves. Normally supplied in metal containers under pressure, the
klasskru [66]

Pressure of Butane in the container at 135°C = 1.07 atm

Given:

The H°vap of butane is 24.3 kJ/mol.

starting out at 25 °C

Temperature at the end: 135 °C

2.3 atm of pressure

To Find:

The container's pressure

The perpendicular force per unit area, also known as the stress at a point within a confined fluid, is known as pressure in the physical sciences.

Equation of Clausius-Clapeyron

P2 = 1.07 atm and ln (P2/2.3 atm)

= - 24.3*110/8.31

The pressure in the container at 135°C (ΔH°vap ) is 1.07 atm

Learn more about Pressure here:

brainly.com/question/25736513

#SPJ4

6 0
1 year ago
There are two different compounds of sulfur and fluorine.
weqwewe [10]
Atomic mass of F: 19.0 g/mol

Atomic mass of S: 32.1 g/mol

1.18 g F = [1.18 g / 19.0 g / mol] = 0.062  mol F

1 g S =  1 g/ 32.1 g/mol = 0.031  mol S

Divide by 0.031

0.062 mol F / 0.031 = 2  mol F

0.031 mol S / 0.031 = 1 mol S

SF2 Then X = 2

Verification:
F2 = 2*19.0 g = 38 g F
S = 32.1 g

36 gF / 32.1 g S = 1.18 g F / g S



7 0
3 years ago
Who wants to be a doctor
xenn [34]

Answer:

maybe, but id rather do automotive stuff, thats my second option.

Explanation:

7 0
2 years ago
The process that causes a spark to occur when the discharge wand is close to the Van de Graaff generator is similar to the proce
guajiro [1.7K]

Answer:

Lighter, positively charged particles form at the top of the cloud. Heavier, negatively charged particles sink to the bottom of the cloud. When the positive and negative charges grow large enough, a giant spark - lightning - occurs between the two charges within the cloud.

Explanation:

4 0
2 years ago
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