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o-na [289]
3 years ago
13

What is an isotope? atoms of the same element with different number of​

Chemistry
2 answers:
geniusboy [140]3 years ago
7 0

Answer:

The same element that contain equal number if protons but different number of neurons in their nuclei and hence differ in relative atomic mass

BlackZzzverrR [31]3 years ago
4 0

Answer:

neutrons

Explanation:

Different neutron number casues difference in mass number

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12. Organelles allow eukaryotic cells to carry out more functions than prokaryotic cells.
deff fn [24]

Answer:

True po

Explaination :

I hope it helps

4 0
3 years ago
Read 2 more answers
Which elements are magnetic in the periodic table?
rosijanka [135]
METALS ARE MAGNETIC(and maybe metalloids)

3 0
3 years ago
4. Energy can be conserved by -
mart [117]

Energy can be conserved by efficient energy use.

Answer: Option A

<u>Explanation:</u>

Energy can be transferred from one form to another, but it cannot be destroyed or created. So it can be conserved if efficiently used. Thus efficient usage of energy lead to conservation of energy. Due to conservation of energy, the forces can be renewable and non-renewable.

So, we should know how the input energy can be completely converted to another form of energy leading to efficient usage of energy without any loss. As if there is no loss, input energy will be equal to output energy leading to 100% efficiency.

4 0
3 years ago
Elements are simple ___
storchak [24]

Answer:

particles

atoms

broken

isotope

conductors

electricity

element

combined

3 0
2 years ago
a sample of compound determined to contain 1.71 g C and 0.287 g H. The corresponding empirical formula is
fiasKO [112]

Answer: The empirical formula is CH_2.

Explanation:

Mass of C = 1.71 g

Mass of H = 0.287 g

Step 1 : convert given masses into moles.

Moles of C = \frac{\text{ given mass of C}}{\text{ molar mass of C}}= \frac{1.71g}{12g/mole}=0.142moles

Moles of H = \frac{\text{ given mass of H}}{\text{ molar mass of H}}= \frac{0.287g}{1g/mole}=0.287moles

Step 2 : For the mole ratio, divide each value of moles by the smallest number of moles calculated.

For C =\frac{0.142}{0.142}=1

For H =\frac{0.287}{0.142}=2

The ratio of C: H = 1: 2

Hence the empirical formula is CH_2.

4 0
3 years ago
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