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jok3333 [9.3K]
3 years ago
13

Based on the kinetic theory, which statement is true?

Chemistry
2 answers:
Effectus [21]3 years ago
7 0

answer is A

The kinetic theory is used to explain the behaviour of gases.

One of the assumptions states that "a gas is composed of a large number of identical molecules moving at different speeds".

Mariulka [41]3 years ago
3 0

Answer:

The particles of matter are arranged in different ways for the different states.

Explanation:

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The complete orbital notation diagram of an atom is shown.
Leno4ka [110]

Answer:

atoms are little things things thinbs timmy amrfiv

Explanation:

5 0
2 years ago
Solution of the Schrödinger wave equation for the hydrogen atom results in a set of functions (orbitals) that describe the behav
kvv77 [185]

Answer :

'n' specifies  → (B) The energy and average distance from the nucleus.

'l' specifies   → (C) The subshell orbital shape.

'ml' specifies → (A) The orbital orientation.

Explanation :

Principle Quantum Numbers : It describes the size of the orbital. It is represented by n. n = 1,2,3,4....

Azimuthal Quantum Number : It describes the shape of the orbital. It is represented as 'l'. The value of l ranges from 0 to (n-1). For l = 0,1,2,3... the orbitals are s, p, d, f...

Magnetic Quantum Number : It describes the orientation of the orbitals. It is represented as m_l. The value of this quantum number ranges from (-l\text{ to }+l). When l = 2, the value of

Spin Quantum number : It describes the direction of electron spin. This is represented as m_s. The value of this is +\frac{1}{2} for upward spin and -\frac{1}{2} for downward spin.

As per question we conclude that,

'n' specifies  → The energy and average distance from the nucleus.

'l' specifies   → The subshell orbital shape.

'ml' specifies → The orbital orientation.

5 0
3 years ago
Choose the correct answer !
zavuch27 [327]

Answer:

Osmium

Explanation:

The metals conduct electricity the best, in this question the metal would be osmium.

4 0
3 years ago
Astatine is a halogen with several isotopes that all have short half-lives. Which of the following combinations of mass number a
DedPeter [7]

Answer:

Astatine is a halogen with several isotopes that all have short half-lives.

Which of the following combinations of mass number and neutrons are possible as isotopes of astatine? Choose one or more:

i) A = 211, n = 127

ii) A = 210, n = 125

iii) A = 220, n = 134

iv) A = 207, n = 122

v) A = 209, n = 124

Explanation:

The mass number is the sum of the number of protons and the number of neutrons in an atom.A=no.of protons+no.of neutrons\\=>no.of neutrons=A-no.of protons\\

Atomic number of At(astatine ) =85

That means it has --- 85protons.

Its mass number A=210

Hence, the number of neutrons in At are:

n=A-Z\\=>n=210-85\\=>n=125

Second option:

ii) A=210 , n=125 is the answer.

4 0
3 years ago
What is the term for a chemical reaction that uses more energy to break bonds than it releases when forming them?
Alchen [17]

Answer: Endothermic Reaction

Explanation:

7 0
2 years ago
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