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pav-90 [236]
4 years ago
8

We both have 10 neutrons in our nuclei. What are we?

Chemistry
2 answers:
Goryan [66]4 years ago
7 0
Not so sure but i think neon
bogdanovich [222]4 years ago
4 0

Answer:

Fluorine and Neon have 10 neutrons in our nuclei

Explanation:

Each chemical element is characterized by the number of protons in its nucleus, which is called the atomic number Z. But in the nucleus of each element, it is also possible to find neutrons, the number of which can vary. The atomic mass (A) is obtained by adding the number of protons and neutrons in a given nucleus.

In an electronically neutral element the atomic number Z also indicates the number of electrons that rotates around the nucleus.

Being an isotope of an element that whose atomic number is the same, but the number of neutrons is different, then the atomic mass of an element is the weighted average mass of its natural isotopes. Therefore, the atomic mass of an element is not an integer.

Then

Mass number = Number of protons + Number of neutrons

→ Number of neutrons= Mass number - Number of protons

Then, obtaining the atomic mass and the atomic number in the periodic table, it is possible to calculate the number of neutrons in the following elements:

  • Fluorine:

Atomic number = 9  

Mass number = 19

→ Number of neutrons = 19 - 9 = 10

  • Neon:

Atomic number = 10

Mass number = 20

→ Number of neutrons = 20 - 10 = 10

<u><em>Fluorine and Neon have 10 neutrons in our nuclei</em></u>

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3 years ago
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2H2+O2--&gt;2H2O, If you have 9 moles of Hydrogen gas (H2), how many moles of water can you form? (Enter just the number: not th
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If  you  have  9   moles  of hydrogen gas(H2)  the   moles of water that  can  be formed is   9 moles


<u><em>calculation</em></u>

2H2  +O2→ 2H2O

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that  is  H2:H2O  is   2:2  into simple form = 1:1

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8 0
3 years ago
How do the Carnivorous plants survive without soil?
Mkey [24]
Answer:

Carnivorous plants are easy to grow, if you follow a few, simple rules.

Wet all of the time.
Mineral-free water.
Mineral-free soil.
Lots of light.


Wet all of the time.
Carnivorous plants are native to bogs and similar nutrient-poor habitats. As a consequence, the plants live in conditions that are constantly damp. To grow healthy carnivorous plants, it is important to duplicate their habitat as closely as possible. Keep the soil wet or at least damp all of the time. The easiest way to do this is use the tray method. Set the pots in a tray or saucer, and keep water in it at all times. Pitcher plants can grow in soggy soil with the water level in the saucer as deep as 1/2 the pot, but most carnivorous plants prefer damp to wet soil, so keep the water at about 1/4 inch and refill as soon as it is nearly gone. Water from below, by adding water to the tray, rather than watering the plant. This will avoid washing away the sticky muscilage of the sundews and butterworts and keep from closing the flytraps with a false alarm.


Mineral-free water.
Always use mineral-free water with your carnivorous plants, such as rainwater or distilled water. Try keeping a bucket near the downspout to collect rainwater. Distilled water can be purchased at the grocery store, but avoid bottled drinking water. There are simply too many minerals in it. The condensation line from an air conditioner or heat pump is another source of mineral-free water. Reverse-osmosis water is fine to use. Carnivorous plants grow in nutrient poor soils. The minerals from tap water can “over-fertilize” and “burn out” the plants. In a pinch, tap water will work for a short while, but flush out the minerals with generous portions of rainwater, when it is available.


Mineral-free soil.
The nutrient poor soils to which the carnivorous plants have adapted are often rich in peat and sand. This can be duplicated with a soil mixture of sphagnum peat moss and horticultural sand. Be sure to check the peat label for sphagnum moss. Other types will not work well. The sand should be clean and washed. Play box sand is great, and so is horticultural sand. Avoid “contractor’s sand” which will contain fine dust, silt, clay and other minerals. Never use beach sand or limestone based sand. The salt content will harm the plants. The ratio of the mix is not critical, 1 part peat with 1 part sand works well for most carnivorous plants. Flytraps prefer a bit more sand, and nepenthes prefer much more peat. Use plastic pots, as terra cotta pots will leach out minerals over time and stress your plants.

Explanation:


Kayo na Po bahala magpaigsi
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6 0
4 years ago
Help please !!!
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I believe the correct answer would be "It has no energy because it is just sitting there."

I hope this helps! :D

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