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diamong [38]
3 years ago
7

How many objects in the solar system have been confirmed to currently support life?

Chemistry
2 answers:
yulyashka [42]3 years ago
6 0
B. One
I believe that earth is the only planet that has life that we know of on it.
dmitriy555 [2]3 years ago
5 0

Answer:

b

Explanation:

Because mars does not count becuase it NOT CONFIRMED so only earth

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Given that <span>P=<span><span>nRT/</span>V</span></span><span>, for an ideal gas, the pressure would be unchanged.</span>
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3 years ago
Match each term with the appropriate definition.
maks197457 [2]

Answer:

Explanation:

1. Force between two charged ions: Electrical force

Electrical force of attraction exists between two charged ions due to constant flow of electrons occuring within their field of influence.

2. Ion made of two or more atoms of  different elements : Polyatomic ion

A polyatomic ion is made up of two or more different elements. Most radicals forms polyatomic ion e.g SO₄²⁻

3. Compound whose atoms form bonds  by transferring electrons : Ionic compound

Ionic compounds forms by the transfer of electrons from a less electronegativbe atom to a more electronegative one. This is in a bid for the atoms to achieve stability.

4. Smooth solid formed by repeating  patterns of ions, atoms, or molecules

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5. Chemical bond formed when electrons  are transferred: Ionic bonds

The bonds resulting from the transfer of electrons between two atoms is an ionic bond. An example is that between Na⁺ ions and Cl⁻ ioin in NaCl

6 0
3 years ago
1. Identify the seven diatomic elements and explain why they are different from the rest of the elements
ozzi

Answer:

hydrogen, nitrogen, oxygen, flourine, chlorine, iodine, bromine

Explanation:

they are very reactive and thus cannot exist as monoatomic elements

3 0
3 years ago
Read 2 more answers
How many sulfur atoms are there in 21.0 g of al2s3?
ValentinkaMS [17]

Given the mass of aluminum sulfideAl_{2}S_{3} = 21.0 g

Molar mass of Al_{2}S_{3} = 2 * Molar mass of Al + 3 *molar mass of S = 2(27g/mol)+3(32.g/mol)=150.g/mol

Calculating the moles of Al_{2}S_{3}:

21.0 g *\frac{1 mol}{150 g} = 0.14 mol Al_{2}S_{3}

Each mole Al_{2}S_{3} has 3 mol S.

Each mole S constitutes 6.022*10^{23} atoms of S

Calculating atoms of S in 0.14 mol Al_{2}S_{3}:

0.14 mol Al_{2}S_{3} *\frac{3mol S}{1 mol Al_{2}S_{3}  }*\frac{6.022*10^{23}atoms S }{1 mol S}

= 2.53 * 10^{23} atoms of S

3 0
4 years ago
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