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MatroZZZ [7]
4 years ago
9

To which family on the Periodic Table does this Bohr Model belong?

Chemistry
1 answer:
Nata [24]4 years ago
6 0

Answer:

As the valance shell have 7 valance electrons .

It belongs to halogen family (group 17).

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8 0
3 years ago
How can a change to another population could affect births and deaths in the parrot population.
forsale [732]

Answer:

read it first

Explanation:

Population change is governed by the balance between birth rates and death rates. If the birth rate stays the same and the death rate decreases, then population numbers will grow. If the birth rate increases and the death rate stays the same, then population will also grow.

hope it helps

6 0
2 years ago
In the periodic table of elements, some elements share similar properties and have the same number of valence electrons in their
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5 0
3 years ago
Write the Lewis structure for the product that forms when boron trifluoride combines with ammonia. Remember to show all non-zero
horrorfan [7]

Answer:

To draw or sketch a Lewis structure, formula or diagram, the chemical formula of the compound is essential. Without it you can not even know what are the atoms that make it up, in our case it is the one observed in the reaction shown:

BF_{3} + :NH_{3} ⇒ F3F_{3} BNH_{3}

In the structure obtained (see the Lewis structure in the drawing) the black dots correspond to the electrons of the non-shared pairs.  Because hydrogen has a single electron and a single orbital available to fill, it forms only a covalent bond represented by a long dash.   The same goes for boron and fluorine but in this case the fluorine has pairs of free electrons.

Explanation:

Lewis's structure is all that representation of covalent bonds within a molecule or an ion. In it, said bonds and electrons are represented by long dots or dashes, although most of the times the dots correspond to non-shared electrons and dashes to covalent bonds.

All existing compounds can be represented by Lewis structures, giving a first approximation of how the molecule or ions could be.

8 0
3 years ago
A graduated cylinder is filled with 54.32 cm3 of water. An irregular solid made of iron is carefully placed into the graduated c
NeTakaya

Answer:

<h3>The answer is 26.22 g</h3>

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

<h3>mass = Density × volume</h3>

From the question

density of iron = 7.874 g/cm³

volume = final volume of water - initial volume of water

volume = 57.65 - 54.32 = 3.33 mL

We have

mass = 7.874 × 3.33 = 26.22042

We have the final answer as

<h3>26.22 g</h3>

Hope this helps you

3 0
3 years ago
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