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Leviafan [203]
3 years ago
12

An element A has an atomic number of 11 and another element B has an atomic number 17 (A

Chemistry
1 answer:
Ray Of Light [21]3 years ago
8 0

Answer:

Agroup one.B group seven. lonic/electrovalent bonding.

sodium chloride, 2,8. 2,8,8

Explanation:

the reason why it is an lonicbonding is because it is a force of attraction between opposite charges.it involves the transfer of electrons from a metal to a non-metal.

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Which relationship or statement best describes delta s for the following reaction:
zalisa [80]

Answer:

b) Delta S < 0

Explanation:

The change in the entropy (ΔS) is related to the change in the number of gaseous moles of the reaction: Δn(g) = n(g, products) - n(g, reactants).

  • If Δn(g) > 0, the entropy increases (ΔS > 0).
  • If Δn(g) < 0, the entropy decreases (ΔS < 0).
  • If Δn(g) = 0, there is little or no change in the entropy

Let's consider the following equation.

2 H₂S(g) + 3 O₂(g) → 2 H₂O(g)

Δn(g) = 2 - 5 = - 3. Since Δn(g) < 0, the entropy decreases and ΔS < 0.

4 0
3 years ago
Which of the following is characterized by existing at a discrete energy level?
hichkok12 [17]
Energy levels are considered orbitals.
5 0
3 years ago
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A woman has pain in her ovaries. In which
babymother [125]

Answer:

The right lower quadrant

The left lower quadrant

Explanation:

Those quadrants contain the ovaries and I just got it correct on the assignment.

6 0
3 years ago
20 What is the base-conjugate acid pair when a strong acid is added to methylamine, CH3NH2?
Fed [463]
  The base  conjugate   acid pair  when strong acid is added  to  methylamine  CH3NH2   is

base CH3NH2; conjugate  acid: CH3NH3 +

                 Explanation

When   a base CH3CH2   accept   proton  it  form  its  conjugate  acid  which known as methyl  ammonium  ion. Therefore conjugate  acid  of CH3CH2  is CH3NH3+  ion

For   example  when CH3CH2  react with  HCl

CH3CH2  +HCl 
→ CH3CH3+   +   Cl- 
6 0
4 years ago
Which organelle is much bigger in a plant cell than an animal cell?
Elan Coil [88]

Answer:

Plant and animal cells differ in that plants have a large central vacuole, while animals have smaller vacuoles. Plant cells also have cell walls and plastids, while animal cells do not.

4 0
3 years ago
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