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Firlakuza [10]
3 years ago
13

If an atom has 11 atomic number and 11 neutrons how many electrons are there??

Chemistry
1 answer:
Fantom [35]3 years ago
5 0

Answer:

11 electrons

Explanation:

The atomic number of sodium is 11. This tells us that sodium has 11 protons and because it is neutral it has 11 electrons. The mass number of an element tells us the number of protons AND neutrons in an atom (the two particles that have a measurable mass).

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List the universities of nepal and explain about one of them.​
Korolek [52]

Answer:

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Explanation:

4 0
3 years ago
Which statement is true concerning the elements in families 1 and 2?
jeka57 [31]

Answer:

The correct option is;

D. All the elements in families 1 and 2 can place all their shell electrons in the s sub-level

Explanation:

The elements in families 1 and 2 also called the group 1A and group 2A elements are known as the alkali and alkaline earth metals. The elements in the families 1 and 2 are also referred to as the s-block elements as they have their valence electrons which are 1 and 2 respectively, in the s-orbital or s sub-level

Due to their low ionization energy, and the ease with which they donate their valence electrons, elements of the families 1 and 2 are known to be very reactive, and are found in a combined state in nature.

5 0
3 years ago
Fossil fuels are made up of organisms that died millions of years ago. Which best describes this source of energy
Alenkinab [10]
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5 0
3 years ago
Henry divides 1.060g by 1.0mlbto find the density of his water sample. How many significant figures should he include in the den
kykrilka [37]
<span>Henry divides 1.060 g by 1.0 mL to find the density of his water sample.
</span>He should include THREE significant figures in the density value that hereports.
3 0
3 years ago
An aqueous HCL solution has a proton concentration equal to 6.00 mol/L. The HCL concentration in this solution is ————M.
Harman [31]

Answer:

HCl conc.= 6.0mol/L

Explanation:

From the dissociation of HCl= 1 mole H+ and 1mol Cl-, which is equivalent stoichiometrically in concentration to that of 1 mol HCl,

4 0
3 years ago
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