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Bess [88]
2 years ago
7

If an element has a mass number of 52 and an atomic number of 24, how many neutrons does the element have

Chemistry
2 answers:
chubhunter [2.5K]2 years ago
8 0

Answer:

28

Explanation:

To find the number of neutrons, subtract the number of protons from the mass number. number of neutrons.

Vlada [557]2 years ago
8 0

Answer: 28 neutrons

Explanation:

im just guessing here man

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Describe light with respect to its speed and its dual nature as both a wave and a particle.
Sedbober [7]

Answer:

Scientists have been debating over light being a wave or particle since its recognition.

Sir Issac Newton discovered that light had frequency and other properties. Newton described light to be a particle because it created shadows which were sharp and very clear.

Francesco Maria Grimaldi, claimed that light was a wave. This was because this scientist observed the diffraction of light and hence, claimed light to be a type of wave.

The speed of light is 299 792 458 m / s. Nothing can travel faster than light.

5 0
3 years ago
a natrual distsater caused a population of 4,695 organisms to migrate to a new habitat. a few generations after the disaster it
Scilla [17]

Answer:

49.54%

Explanation:

Given parameters:

Number of organisms in original habitat = 4695

Number of organism in new habitat = 2326

Solution:

To find the percentage of the organisms in the new habitat that has migrated to the new habitat, we use the expression below:

% of the population in the new habitat =  x 100

% of the population in the new habitat =  x 100 = 49.54%

7 0
2 years ago
Please help, thanks!
Anastasy [175]
You need to use the formula--> P1V1= P2V2 (Boyles's law)

P1= 14 bar
V1= 312 mL
P2= ?
V2= 652 mL

now we plug the values into the formula.

(14 x 312) = (P2x 652)

P2= (14 x 312)/ 652= <span>6.70 bar</span>
5 0
3 years ago
When the equation below is balanced, the coefficient of sulfuric acid, h2so4 is: nacn + h2so4 → na2so4 + hcn?
horsena [70]
<span>2NaCN + (1)H2SO4 → Na2SO4 + 2HCN

</span><span>The coefficient of sulfuric acid is 1.</span>
3 0
3 years ago
Calculate in gramm the mass of 0.1 mole of hydrochloric acid(h=1 ,cl=35.5)​
babunello [35]

Answer:

mass of HCl = 3.65 g

Explanation:

Data Given:

Moles of hydrochloric acid HCl = 0.1 mole

Mass in grams of hydrochloric acid HCl = ?

Solution:

Mole Formula

                  no. of moles = Mass in grams / molar mass

To find Mass in grams rearrange the above Formula

                Mass in grams = no. of moles x molar mass . . . . . . . (1)

Molar mass of HCl = 1 + 35.5 = 36.5 g/mol

Put values in equation 1

              Mass in grams = 0.1 mole x 36.5 g/mol

              Mass in grams = 3.65 g

mass of HCl = 3.65 g

6 0
3 years ago
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