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agasfer [191]
2 years ago
13

Please comment the correct answer and I'll give you brainliest! Which atom of each pair below has the largest ionization energy?

Chemistry
2 answers:
monitta2 years ago
6 0

Answer:kffffffffffffffffp;j.,,j,j[[;'/n  m

Explanation:

tggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg00000000000

Brrunno [24]2 years ago
3 0

Answer:

.............

Explanation:

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A student has a balloon that looks shiny like a metal and wants to perform an experiment to determine if it contains any metal.
zheka24 [161]

Answer:

Charge the balloon, hold it near an electroscope, and determine if the electroscope leaves move.

Explanation:

The gold leaf electroscope is an instrument used to detect if a body is charged. It has two gold leafs suspended from a brass stem in a vacuumed glass jar and connected to a metal cap(Toppr).

When the test body is allowed to touch the metal cap, a change in the size of the leaves shows whether the body is charged or not.

Since we are suspecting the balloon to be made up of a metal; metals can be charged. We can test if there is really a charge on the balloon by bringing it near an electroscope to see if the electroscope moves.

3 0
2 years ago
How many particles are in 4g of NaCl? (1mol of NaCl = 58g) – 2 step conversion
oksian1 [2.3K]

Answer:

4.16 * 10²⁴ particles

Explanation:

1. We convert from grams to moles

4 g NaCl / 58 g of NaCl = 0.0689655172 moles

-> 0.0690 moles

2. Now we will convert from moles to particles by multiplying by avogadro's number..

0.0690 * 6.022 *10²³ = 4.15518 * 10²⁴ particles or 4.16 * 10²⁴ particles

4 0
3 years ago
3. What is the molar mass of O2? Round to nearest whole number.<br> 8<br> O<br> 16<br> 32<br> 64
SVETLANKA909090 [29]

Answer:

Molar mass of O is = 16

Molar mass of O2 = 32

5 0
3 years ago
A sample of sugar (C12H22O11) contains
Oduvanchick [21]

Answer: 0.25 mol

Explanation:

Use the formula n=N/NA

n= number of mols

N =  number of particles

Nᵃ = Avogadros constant = 6.02 x

So, n=

The 10 to the power of 23 cancels out and you are left with 1.505/6.02, which is approximately 1/4. This is the same as 0.25 mol.

Hope this helped :)

5 0
3 years ago
How many molecules are there in 79g of Fe2O3?
weqwewe [10]
There are approximately 160 grams in 1 mol of fe203 molecules therefore there would be 79/160 = 0.49375 mols of fe203 molecules in 79 grams therefore 5 atoms in total for each molecule of fe203 therefore 79/160 *5 =79/32=2.46875 mols in atoms
6 0
3 years ago
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