30 Points! What is the difference between an atom and an ion

2 answers:

6 0

Atom is a neutral element found in nature without any charge. In other words, it has same number of Protons and electrons, whereas ion is a charged thing, either positive or negative. We can find their charge by:

Charge = Number of Protons - Number of Electrons

Hope this helps!

Liula [17]3 years ago

4 0

Atoms are neutral, they have a similar number of protons (positive charge) and electrons (negative charge)

Ions have either a positive or negative charge by adding or taking away electrons to change the charge.

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How much heat is needed to raise the temperature of 100g of an iron from 25°C to

Black_prince [1.1K]

Answer:

382.5J

Explanation:

<em>Use the formula:</em>

E = mcΔθ or Q = mcΔT

m = 100g

c = 0.45 J/g°C

ΔT or Δθ = 110 - 25 = 85°

<em>Sub in the values:</em>

E = 100 × 0.45 × 85

= 382.5J

5 0

2 years ago

Which statement about atoms is correct

lesya [120]

Answer:Protons are positively charged is the correct statement about an atom

I've also corrected the other statements

Atoms contain protons and neutrons in their nucleus

Neutrons posses no charge and are neutral

The nucleon number is the total number of protons and neutrons in a nucleus

6 0

3 years ago

An atom of oxygen has atomic of 8 and a mass number of 18. How many of each type of subatomic particle doe it contain?

Tju [1.3M]

An atom of Oxygen. Contains:

Protons = 8
Electrons = 8

Neutrons = Mass number - Number of protons = 18 - 8 = 10

Neutrons = 10.

7 0

3 years ago

Determine the rate law, including the values of the orders and rate law constant, for the following reaction using the experimen

olga55 [171]

Answer: Rate law= $k[A]^1[B]^2$ , order with respect to A is 1, order with respect to B is 2 and total order is 3. Rate law constant is $3L^2mol^{-2}s^{-1}$

Explanation: Rate law says that rate of a reaction is directly proportional to the concentration of the reactants each raised to a stoichiometric coefficient determined experimentally called as order.

$Rate=k[A]^x[B]^y$