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Tomtit [17]
3 years ago
6

How many molecules are in 13 moles of oxygen?

Chemistry
2 answers:
natima [27]3 years ago
8 0

Answer:

mass/13of molecules .........

Anastaziya [24]3 years ago
5 0
1 mole of oxygen is 6.02 x 1023 atoms of oxygen.
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(GIVING BRAINLIEST)Match the type of chemical bond with the best description:
Kipish [7]

Answer:

A and 3

B and 2

C and 1

Explanation:

<em>Ion</em>ic bonding is the transfer of electrons from a cat<em>ion</em> to an an<em>ion</em>.

Covalent bonding is the sharing of electrons between nonmetal atoms.

<em>Metallic</em> bonding is the sea of electrons <em>metal </em>cations.

Hope this helped!

8 0
3 years ago
Determine the ground-state electron configuration for each of the following elements: A. chlorine ______________________________
ki77a [65]

In ground-state electron configuration, the<u> principal quantum number</u> (n), <u>the orbital</u> (s, p, d, or f), and the total number of <u>electrons</u> are used to represent electron configurations.

Case 1 Ground-state electron configuration of elements.

A) Chlorine: 1s²2s²2p^{6}3s²3p^{5}

B) Cesium: 1s² 2s²2p⁶ 3s²3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 5s² 5p⁶ 6s¹

C) Vanadium: 1s²2s²2p⁶3s²3p⁶3d³4s²

D) Rhenium: 1s² 2s² 2p⁶ 3s² 3p⁶3d¹⁰ 4s²4p⁶ 4d¹⁰ 5s² 5p⁶ 4f¹⁴ 5d⁵ 6s²

Case 2 : Number of valence electron in atoms

A) Sn -Tin - Four valence electrons

B) La - Lanthanum - Three valence electrons

C) Mn - Manganese - Seven valence electrons

D) Zn- Zinc - Two valence electrons

Case 3 Ground-state electronic configuration of ions

A) Co⁺³ : 1s² 2s² 2p⁶ 3s² 3p⁶4s¹3d⁵

B) Mo⁺² : 1s² 2s² 2p⁶3s²3p⁶ 4s² 3d¹⁰ 4p⁶5s² 4d²

C) Ra⁺² : 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f¹⁴ 5s² 5p⁶ 5d¹⁰ 6s² 6p⁶

D) I⁻ : 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 5s² 5p⁶

Learn more about Quantum numbers here brainly.com/question/2292596

#SPJ4

8 0
2 years ago
The trend of this graph is<br><br><br> a. Negative<br><br><br> b. Positive<br><br><br> c. Zero
Sveta_85 [38]
B. positive because y increases as x does. It it were negative y would decrease as x increases and it would be 0 if y stayed the same as x increases. 
7 0
3 years ago
A metamorphic rock can also be thought of as a rock that changes. What causes the rock to change?
Nana76 [90]

Answer:

its ethier b or c

Explanation:

5 0
2 years ago
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Write and label the density triangle
Slav-nsk [51]

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It is basically a way of telling you how to solve for different variables in the equation d=m/v

Explanation:

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