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jek_recluse [69]
2 years ago
12

Number of sodium atom(s) in salt (NaCl)

Chemistry
2 answers:
vredina [299]2 years ago
8 0

Answer: There is only one atom of sodium in NACL

Explanation: But in total there two atoms because 1 sodium and 1 chlorine added all together

HOPE THIS HELPS!!!!

asambeis [7]2 years ago
6 0

Answer:

NaCl consists of one atom each of sodium and chlorine. Hence, each molecule of NaCl has 2 atoms total.

Explanation:

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Submit Quiz Previous Page 1 of 4 Next Drag and drop each description to match the subatomic particle. Protons Neutrons Drag and
Pavel [41]

Answer:

<em>Protons: </em>

  • Positively charged particle
  • The number of these is the atomic number
  • All atoms of a given element have the same number of these

<em>Neutrons:  </em>

  • Neutral particles  
  • Isotopes of a given element differ in the number of these
  • The mass number is the number of these added to the number of protons

Explanation:

Protons (<em>positively charged</em>), neutrons (<em>neutral</em>) and electrons (negatively charged) are smaller than an atom and they are the main subatomic particles.  The nucleus of an atom is composed of protons and neutrons, and the electrons are in the periphery at unknown pathways.

The <em>Atomic number</em> (Z) indicates the number of protons (P^{+}) in the nucleus. Every atom of an element have the <em>same atomic number</em>, thus the <em>same number of protons</em>.

The <em>mass number </em>(A) is the sum of the <em>number of protons</em>  (P^{+}) <em>and neutrons</em> (N) that are present in the nucleus: <em>A= Z + N</em>

<em>Isotopes</em> are atoms of the <em>same element </em>which nucleus have the <em>same atomic number</em> (Z), and <em>different mass number (A)</em>, it means the <em>same number of protons</em> (P^{+}) and a <em>different number of neutrons</em> (N). For example, the oxygen in its natural state is a mixture of isotopes:

99.8% atoms with A= 16, Z=8, and N=8

0.037% atoms with A=17, Z=8, and N=9

0.204% atoms with A=18, Z=8, and N=10

3 0
3 years ago
An object was measured by a worker as
Alexeev081 [22]

Answer:.633

Explanation:

I have know idea but it was right

3 0
3 years ago
Wich of the following is a unit of volume in the english system of mesurement​
ch4aika [34]

Answer:

uhh its gallon

Explanation:

5 0
3 years ago
As the thermal energy of matter increases, its particles usually spread out, causing
sveta [45]

Answer:

As the thermal energy of matter increases, its particles usually spread out, causing the substance to expand.

Explanation:

<em> i have a book about this stuff</em>

8 0
2 years ago
Calculate the mass of 4 moles of sodium hydroxide
harina [27]

Answer:

Mass = 160 g

Explanation:

Given data:

Number of moles of sodium hydroxide = 4 mol

Mass of sodium hydroxide = ?

Solution:

Formula:

Mass = number of moles × molar mass of sodium hydroxide

Molar mass of sodium hydroxide = 40 g/mol

Mass = 4 mol × 40 g/mol

Mass = 160 g

4 0
2 years ago
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