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irakobra [83]
3 years ago
8

Which isotope has the greater mass neon-20 and neon-22

Chemistry
2 answers:
Phantasy [73]3 years ago
7 0
You have to look at the number of protons each have: The greater the number of protons is, the greater the mass is.
Neon-20 have 20 protons, and neon-22 have 22 protons. Neon-22 have more protons than Neon-20, so the mass of Neon-22 is greater than the mass of neon-20.

Hope this Helps! :)
Allisa [31]3 years ago
6 0
Neon-22 is the isotope with the greater mass.

P.S. When you have two isotopes of the same element, the one with the greater number will always have the greater mass

Hope that helps!
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An isotope of potassium with a half-life of roughly one billion years is often used in radioactive dating. This isotope decays t
Archy [21]

Answer : The chemical symbol for the element that results from this process is, (Ar) for argon.

Explanation :

Electron capture : In this decay process, a parent nuclei absorbs an electron and gets converted into a neutron. Simply, a proton and an electron combines together to form a neutron. Mass number does not change in this process.

_Z^A\textrm{X}+_{-1}^0\textrm{e}\rightarrow _{Z-1}^A\textrm{Y}

The equation for the given reaction is,

_{19}^{40}\textrm{K}+_{-1}^0\textrm{e}\rightarrow _{18}^{40}\textrm{Ar}

Thus, the chemical symbol for the element that results from this process is, argon (Ar).

5 0
4 years ago
After 2.0s, Isabela . was riding her bicycle at 3.0m/s on a straight path. After 5.0s she was moving 5.4m/s. What was her accele
AysviL [449]

Answer:

Her acceleration was  0.8 m/s².

Explanation:

Given data:

Final speed v₂ = 5.4 m/s

Initial speed v₁= 3.0 m/s

Initial time t₁ = 2 s

Final time t₂ = 5 s

Acceleration = ?

Solution:

acceleration = (v₂- v₁) / (t₂ -  t₁)

acceleration = 5.4 - 3 / 5-2

acceleration = 2.4 / 3 = 0.8 m/s²

4 0
3 years ago
PLEASE HELP ME ASAP!! I NEED IT! NO LINKS
Natali [406]

Answer:

asexual cell

Explanation:there are mainly 2 types sexual and asexual i would say asexual because they grow without another parent and don't have a nucleus.

3 0
3 years ago
what is the maximum amount of moles of P2O5 that can theoretically be made from 136 g of P4 and excess oxygen
zhuklara [117]
We are given with
136 g P4
excess oxygen

The complete combustion reaction is
P4 + 5O2 => 2P2O5
Converting the amount of P4 to moles
136/123.9 = 1.098 moles

Using stoichiometry
moles P2O5 = 1.098 x 2 = 2.195 moles P2O5
6 0
4 years ago
Read 2 more answers
HELP <br> is you increase the amount of water used to dissolve a pill, would something change?
skad [1K]

Answer:

The answer is

Explanation:

No,it is not possible.

Hope this helps....

Have a nice day!!!!

4 0
3 years ago
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