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madreJ [45]
4 years ago
14

The central core of an atom is called the __?

Chemistry
1 answer:
PilotLPTM [1.2K]4 years ago
6 0

Answer: Atomic Nucleus!

Explanation: All atoms have a dense central core called the atomic nucleus. Forming the nucleus are two kinds of particles: protons, which have a positive electrical charge, and neutrons, which have no charge.

(Yes, it was from google.)

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How many moles are in 4.818 x 1024 chloride ions
erastovalidia [21]

Answer:

<h3>The answer is 8.00 moles</h3>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

n =  \frac{N}{L}  \\

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

n =  \frac{4.818 \times  {10}^{24} }{6.02 \times  {10}^{23} }  \\  = 8.00332225...

We have the final answer as

<h3>8.00 moles</h3>

Hope this helps you

4 0
3 years ago
What processes turn sediment into sedimentary rock?
antiseptic1488 [7]

A clastic sedimentary rock is composed of silicate minerals and rock fragments. They are transported by moving fluids such as sedimentation due to gravity and are deposited in the area where it stays. They are composed mostly of feldspar, quartz, rock (lithic) fragments, clay minerals and mica. 

7 0
3 years ago
Read 2 more answers
The following reaction can be written as the sum of two reactions, one of which relates to ionization energy and one of which re
Karo-lina-s [1.5K]
A)
First ionization energy of Li:
Li(g) + 520 kJ/mol → Li⁺(g) + e⁻ 

B)
Electron affinity of Fluorine:
F(g) + e⁻ →  F⁻(g) + 328 kJ/mol
8 0
3 years ago
Given that the molar mass of NaNO3 is 85.00 g/mol, what mass of NaNO3 is needed to make 4.50 L of a 1.50 M NaNO3 solution? Use m
Virty [35]

<u>Ans: Mass of NaNO3 = 574 g</u>

<u>Given:</u>

Volume of NaNO3, V = 4.50 L

Molarity of NaNO3, M = 1.50 M i.e. 1.50 moles/L

Molar mass of NaNO3 = 85.00 g/mol

<u>To determine:</u>

The mass of NaNO3

<u>Explanation:</u>

Molarity of a solution can be expressed as the number of moles of the solute in a liter volume of solution

Molarity  of NaNO3 = moles of NaNO3/volume of solution in L

1.50 moles/L = moles/4.50 L

moles NaNO3 = 1.50 *4.50 = 6.75 moles

Now, moles of NaNO3 = mass of NaNO3/molar mass NaNO3

mass of NaNO3 = moles * molar mass =

                          = 6.75 moles * 85.00 g/mole

                          = 573.75 g = 574 g      

8 0
3 years ago
Read 2 more answers
Which type of landforms forms at the plate boundary as a result of this stress<br>​
stealth61 [152]

Answer:

Landform: MID-OCEAN RIDGE Plate Boundary: DIVERGENT Type of Plates: 2 Oceanic Plates (OP) pull apart How is it formed? Two oceanic plates (OP) move away from each other, allowing magma to rise up from inside the Earth. The magma reaches the bottom of the ocean, turns in to lava and cools (forming new rock)

Explanation:

7 0
3 years ago
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