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CaHeK987 [17]
3 years ago
14

Use the periodic table or graphic in lesson. what is the atomic number of carbon?

Chemistry
2 answers:
DochEvi [55]3 years ago
4 0
Carbon's atomic number is 6
Neporo4naja [7]3 years ago
3 0

Answer:

The atomic number of Carbon is 6

Explanation:

Atomic number means the number of protons in the nucleus of an atom. Carbon has 6 protons in the nucleus and therefor its atomic number is 6. In the periodic table the atomic number is usually found on the top right corner of each element. Carbon is also located in the group 14 (also known as group IVA) and in period 2.

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Both coal and diamonds are forms of elemental carbon. Coal is brittle while diamonds are considered to be the hardest of all sub
iragen [17]
Although coal and diamonds are both composed of carbons alone, they differ in their properties because of the bonds present in each substance. Diamonds are composed of covalent bonds which are strong and is crystalline in nature which makes it sturdier. Coal is amorphous which allows the slipping of irregular layers to each other making coal brittle
5 0
3 years ago
NaF name the ionic compound
Alenkinab [10]
Compound consisting of a sodium ion (Na+) with a plus one charge and a fluoride ion (F-) with a minus one charge. Hope I helped!! :)
6 0
3 years ago
Read 2 more answers
Sio2(s)+3c(s)→sic(s)+2co(g)
bonufazy [111]
Please explain in more detail
7 0
3 years ago
PLEASE HELP----
balandron [24]
Actual yield of Fe2(So4)3 = 18.5g

2FePo4 + 3Na2SO4 -> Fe2(SO4)3 + 2Na3PO4

Mole of FePO4 = mass of it / its molar mass =
25 g / (55.8 + 31 + 16*4) = 0.166 mol

every 2 mole of FePO4 will form 1 mole of Fe2(SO4)3

Mole of Fe2(SO4)3 produced = 0.166 / 2 = 0.0829 mol

0.0829 * (55.8*2 + 3*(32.1+ 16*4)) = 33.148 g of Fe2(SO4)3

18.5 / 33.148 * 100 = 55.8%

3 0
3 years ago
What is the pH of a solution within a solution with pH = 4.50? [H +] = 3.25×10-6 M?
Lisa [10]

Answer: 5.48

Explanation:

pH is the negative logarithm of hydrogen ion concentration in a solution.

Mathematically, pH = - log(H+)

where H+ represent the concentration of hydrogen ion

So, to get the pH of the solution with [H +] = 3.25×10-6 M:

Apply, pH = -log(H+)

pH = - log (3.25×10-6 M)

pH = - ( -5.48)

(Note that the minus signs will cancel out each other)

Therefore pH = 5.48

Now we know that the pH of the solution with hydrogen ion concentration of 3.25×10-6 M is 5.48 (i.e slightly acidic)

Thus, we can finally say 5.48 is the pH of the solution within a solution with pH = 4.50

6 0
4 years ago
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