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N76 [4]
2 years ago
7

Which of the following are likely to form an ionic bond?

Chemistry
1 answer:
maria [59]2 years ago
8 0

Answer:

B. Carbon and sulfur

Explanation:

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Need help ASAP plz. Only gave 10 min
MrRissso [65]

Answer:

the answer is D

Explanation:

5 0
3 years ago
Which of the following bonds is the most reactive? A. C—C B. N—H C. O—O D. C—H
USPshnik [31]
I think the answer is b
6 0
3 years ago
Lithium (Li) and oxygen (O) are both in period 2. They both have _____.
AlladinOne [14]

They both have two electron shells

<h3>Further explanation</h3>

The period 2 element lies in the second row of the periodic system.

Consists of the elements: lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine, and neon

  • Lithium (Li)

atomic number : 3

electron configuration : [He] 2s¹

atomic number = number of proton=number of electron(in neutral atom)

So Li have 3 protons and 3 electrons

Because it fills the 2s orbital it has 2 shells

  • Oxygen (O)

atomic number : 8

electron configuration :  [He] 2s²2p⁴

So O have 8 protons and 8 electrons

Because it fills the 2s and 2p orbital it has 2 shells

So Lithium (Li) and Oxygen (O) are both have two electron shells

6 0
2 years ago
Many portable gas heaters and grills use propane, C3H8(g). Using enthalpies of formation, calculate the quantity of heat produce
Elodia [21]

Answer:  600 kJ

-

Explanation:

                        C₃H₈ (g)  + 5 O₂ (g) =============== 3 CO₂ (g)  +  4 H₂O (l)

Δ⁰Hf   kJ/mol       -104             0                                       -393.5         -285.8

Δ⁰Hcomb C₃H₈ = 3(-393.5) + 4 (-285.80) - (-104)  kJ/mol

Δ⁰Hcomb = 2219.70 kJ/mol

n= m /MW   MW c₃H₈ = 44.1 g/mol

n= 12 g/44.1 g/mol = 0.27 mol

then for 12 g the heat released will be

0.27 mol x 2219.70 kJ/mol =  600 KJ

4 0
2 years ago
Read 2 more answers
Picking up a hot coal is an example of what type of heat transfer?
Pavlova-9 [17]
Conduction should be the correct answer.
5 0
3 years ago
Read 2 more answers
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