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sveticcg [70]
3 years ago
8

Which 'tropic' is located in the southern hemisphere?

Chemistry
1 answer:
butalik [34]3 years ago
6 0
Its Southern Hemisphere counterpart, marking the most southerly position at which the Sun can be directly overhead, is the Tropic of Capricorn. These tropics are two of the five major circles of latitude that mark maps of the Earth, besides the Arctic and Antarctic Circles and the Equator.
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a diatomic element has six bonding electrons, six non-bonding electrons, and 2 anti-bonding electrons. what is the bond order? g
Deffense [45]

The bond order of a diatomic element with  six bonding electrons, six non-bonding electrons, and 2 anti-bonding electrons is 2 whose formula is( bonding electrons-anti bonding electrons)/2.

<h3>What is an element?</h3>

An element  is defined as a substance which cannot be broken down further into any other substance. Each element is made up of its own type of atom. Due to this reason all elements are different from one another.

Elements can be classified as metals and non-metals. Metals are shiny and conduct electricity and are all solids at room temperature except mercury. Non-metals do not conduct electricity and are mostly gases at room temperature except carbon and sulfur.

The number of protons in the nucleus is the defining property of an element and is related to the atomic number.All atoms with same atomic number are atoms of same element.

Learn more about element,here:

brainly.com/question/14347616

#SPJ2

7 0
1 year ago
Read 2 more answers
What does homogeneous mixture of elements mean
mina [271]

If a substance is not chemically pure, it is either a heterogeneous mixture or a homogeneous mixture. If its composition is uniform throughout, it is a homogeneous mixture.

8 0
3 years ago
What is the electron structure of a sodium atom?
Irina-Kira [14]

Answer:

1s2 2s2 2p6 3s1

Explanation:

All the elements in the periodic table, has an atomic number. This number tell us different things, such as number of protons, position in the periodic table among others.

One of the things that tell us the atomic number is the electron structure.

First, all elements begins always with 1s. This is because the first number indicates number of energy level which is in. This tell us, the period of the periodic table is the element, the s, is the type of orbital which the electrons are located. the s orbytal can only have 2 electrons max, and with the increasement of the atomic number, this electrons also increase.

Therefore for an element like Helium, (atomic number = 2) means that we have to begin with the 1s and put 2 electrons, to complete the atomic number. In this case, it would be 1s2.

When we surpass this number, we use another energy level, in this case, 2, and begin again with orbytal s. Then, when we surpass 2s2, we use now another orbytal, which is p. This is because we have more elements in the second period of the table, so we need another kind of energy levels to carry all the electrons. orbytal p can carry up to 6 electrons max, so for an element like Florine (Atomic number = 9), it's structure would be 1s2 2s2 2p5. As you can count the electrons, we have 2 + 2 + 5 = 9, we complete the atomic numbers and the electrons would be, the numbers of electrons located in the last energy level, in this case, the 2s and 2p, and it would be 7 electrons.

Now after this explanation, in the case of sodium (Na), the atomic number of sodium is 11, therefore, we need to count til 11 so:

[Na] = 1s2 2s2 2p6 3s1

As you can see, sodium is the first element of period 3 of the table, and we begin with the energy level 3. In your case it would be the last option you put.

8 0
3 years ago
typical seawarer contains 2.7g of salt (sodium chloride,Nacl)per 100ml (100*10-3L).what is the molarity of Nacl in the ocean?​
faust18 [17]

Answer:

Molarity = 0.5 M

Explanation:

Given data:

Mass of NaCl = 2.7 g

Volume = 100 mL(100×10⁻³L)

Molarity of solution = ?

Solution:

Formula:

Molarity = number of moles / volume in litter

Number of moles:

Number of moles = mass/ molar mass

Number of moles = 2.7 g/ 58.5 g/mol

Number of moles = 0.05 mol

Molarity = number of moles / volume in litte

Molarity = 0.05 mol / 100×10⁻³L

Molarity = 0.5 M

4 0
3 years ago
HELP!!!!! <br><br><br> Jdhshbcuxhhsbsjszhsbsbdhzhsvdxvxghxhxhxydgdhdnjcuchshs
VLD [36.1K]

Answer:

I’m not a expert on it, but I think B or D

Explanation:

4 0
3 years ago
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