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nataly862011 [7]
3 years ago
9

What is an isotope? How does one isotope differ from another isotope

Chemistry
2 answers:
vova2212 [387]3 years ago
8 0

Isotopes are different versions of a specific element.

Every atom/element is defined by its protons. So if it has 1 proton it's hydrogen no matter what, if it has 2 protons it's helium no matter what and so on. If you know the number of protons, you know the element.

You can change the number of neutrons in the nucleus and you'll get isotopes. Atoms that have different numbers of neutrons are isotopes of each other. It's important to understand that the element is the same but one is going to be a little bit heavier or lighter than another.

Shtirlitz [24]3 years ago
5 0

An isotope is an atom with a unique number of neutrons. Isotopes can differ from each other because of their number of neutrons.

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I need help with this question
Maru [420]

Aluminum sulfide : Al₂S₃

ratio cation : anion = 2 : 3

<h3>Further explanation</h3>

Given

Compound of Aluminium

Required

cations anions ratio

Solution

Salt can be formed from cations and anions which have their respective charges.

In the chemical compound formula these charges are crossed with each other

For aluminum it has a +3 charge

1. Aluminum carbide : Al₄C₃

ratio cation : anion = 4 : 3

2. Aluminum chloride : AlCl₃

ratio cation : anion = 1 : 3

3. Aluminum sulfide : Al₂S₃

ratio cation : anion = 2 : 3

4. Aluminum nitride : AlN

ratio cation : anion = 1 : 1

3 0
2 years ago
I need help on 5,6,7. I would give you guys a thank you. This is going to be due very soon.
Ira Lisetskai [31]

Answer:

5) Plant; 6) Heat; 7) never heard of chemosynthesis, sorry :(

Explanation:

A plant is the only thing in an ecosystem that uses photosyenthesis. This includes trees, algea, and grass.

80% of energy is lost as heat used in order to keep the animal warm.

I am really sorry I couldn’t help with 7!

3 0
3 years ago
During the phase change from solid ice to liquid water, which bonds/forces are being weakened?
vampirchik [111]
I think Intramolecular forces are being weakened
5 0
2 years ago
Read 2 more answers
Determine the frequency of light with a wavelength of 2.672 x 10^-7cm
yaroslaw [1]

Answer:

Determine the frequency of light with a wavelength of 2.775⋅10−7 cm. Answer in units of Hz?❤

8 0
2 years ago
How many atoms are there in 7.2 mol neon?
rosijanka [135]

Answer:

A) 4.3 × 10²⁴ atoms

Explanation:

Step 1: Given data

Moles of neon: 7.2 moles

Step 2: Calculate the number of atoms present in 7.2 moles of neon

In order to convert moles to toms, we need a conversion factor. In this case, we will use Avogadro's number: there are 6.02 × 10²³ neon atoms in 1 mole of neon atoms.

7.2 mol × 6.02 × 10²³ atoms/mol = 4.3 × 10²⁴ atoms

3 0
2 years ago
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