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abruzzese [7]
2 years ago
13

What is the formula for the ionic compound made up of the ions Cd+3 and SO4-2?

Chemistry
1 answer:
Tems11 [23]2 years ago
7 0

Answer: since the sodium ion is Na+, and sulfate is SO4(2-), you'll need 2 sodiums for a sulfate, making sodium sulfate Na2SO4.

Explanation:

You might be interested in
A photon of green light strikes an unknown metal and an electron is emitted. The voltage is set to 2 volts. The electron cannot
SVETLANKA909090 [29]

Answer:

The correct answer is:

An electron will be emitted in the second experiment, but it cannot be determined whether it will reach the second plate.

Explanation:

In fact, violet has higher frequency than green light. This means that photons on violet carry more energy than photons of green light (remember that the energy of a photon is proportional to it's frequency:

e = hf

, so when they hit the surface of the metal, more energy is transferred to the electrons. The electron was already emitted with green light, so it must be emitted with also violet light, given the more energy transferred.

7 0
2 years ago
True or False: The atomic number is the number of neutrons in an element?
klio [65]

Answer:

true

Explanation:

5 0
3 years ago
Which of the following statements is NOT true of the Lewis Dot Diagrams?
vivado [14]
You tryna cheat? I think it’s four so hopefully not
7 0
3 years ago
Read 2 more answers
What do hydroelectric plants use to turn a turbine when producing electrical energy?
oksian1 [2.3K]
A. water
the word hydro means water
7 0
2 years ago
How many atoms are there in 3.559*10^-6 mol of krypton?
algol [13]

Answer:

The answer is

<h2>2.143 \times  {10}^{18}  \:  \: atoms</h2>

Explanation:

To find the number of atoms given the number of moles we use the formula

N = n × L

where

N is the number of entities

n is the number of moles

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question

n = 3.559 \times  {10}^{ - 6}  \: mol

Substitute the values into the above formula and solve

That's

<h3>N  = 3.559 \times  {10}^{ - 6}  \times 6.02 \times  {10}^{23}  \\  = 2.1425 \times  {10}^{18}</h3>

We have the final answer as

<h3>N  = 2.143 \times  {10}^{18}  \:  \: atoms</h3>

Hope this helps you

3 0
3 years ago
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